evolution and ethics and other essays-第25章
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cultivator is directly dependent on the production of vital capital by
the plants which he cultivates。 Here; again; the condition precedent
of the work of each year is vital capital。 Suppose that a man lives
exclusively upon the plants which he cultivates。 It is obvious that he
must have food…stuffs to live upon; while he prepares the soil for
sowing and throughout the period which elapses between this and
harvest。 These food…stuffs must be yielded by the stock remaining over
from former crops。 The result is the same as beforethe pre…existence
of vital capital is the necessary antecedent of labour。 Moreover; the
amount of labour which contributes; as an accessory condition; to the
production '160' of the crop varies as widely in the case of
plant…raising as in that of cattle…raising。 With favourable soil;
climate and other conditions; it may be very small; with unfavourable;
very great; for the same revenue or yield of food…stuffs。
* It is a pity that we have no word that signifies plant…culture
exclusively。 But for the present purpose I may restrict
agriculture to that sense。
Thus; I do not think it is possible to dispute the following
proposition: the existence of any man; or of any number of men;
whether organised into a polity or not; depends on the production of
foodstuffs (that is; vital capital) readily accessible to man; either
directly or indirectly; by plants。 But it follows that the number of
men who can exist; say for one year; on any given area of land; taken
by itself; depends upon the quantity of food…stuffs produced by such
plants growing on the area in one year。 If a is that quantity; and b
the minimum of food…stuffs required for each man; A/B=N; the maximum
number of men who can exist on the area。 Now the amount of production
(a) is limited by the extent of area occupied; by the quantity of
sunshine which falls upon the area; by the range and distribution of
temperature; by the force of the winds; by the supply of water; by the
composition and the physical characters of the soil; by animal and
vegetable competitors and destroyers。 The labour of man neither does;
nor can; produce vital capital; all that it can do is to modify;
favourably or unfavourably; the conditions of its production。 The most
important of these '161' namely; sunshine; range of daily and
nightly temperature; windare practically out of men's reach。* On the
other hand; the supply of water; the physical and chemical qualities
of the soil; and the influences of competitors and destroyers; can
often; though by no means always; be largely affected by labour and
skill。 And there is no harm in calling the effect of such labour
〃production;〃 if it is clearly understood that 〃production〃 in this
sense is a very different thing from the 〃production〃 of food…stuffs
by a plant。
* I do not forget electric lighting; greenhouses and hothouses;
and the various modes of affording shelter against violent
winds: but in regard to production of food…stuffs on the large
scale they may be neglected。 Even if synthetic chemistry should
effect the construction of proteids; the Laborato ry will
hardly enter into competition with the Farm within any time
which the present generation need trouble itself about。
We have been dealing hitherto with suppositions the materials of which
are furnished by everyday experience; not with mere a priori
assumptions。 Our hypothetical solitary shepherd with his flock; or the
solitary farmer with his grain field; are mere bits of such
experience; cut out; as it were; for easy study。 Still borrowing from
daily experience; let us suppose that either sheep…owner or farmer;
for any reason that may be imagined; desires the help of one or more
other men; and that; in exchange for their labour; he offers so many
sheep; or quarts of milk; or pounds of '162' cheese; or so many
measures of grain; for a year's service。 I fail to discover any a
priori 〃rights of labour〃 in virtue of which these men may insist on
being employed; if they are not wanted。 But; on the other hand; I
think it is clear that there is only one condition upon which the
persons to whom the offer of these 〃wages〃 is made can accept it; and
that is that the things offered in exchange for a year's work shall
contain at least as much vital capital as a man uses up in doing the
year's work。 For no rational man could knowingly and willingly accept
conditions which necessarily involve starvation。 Therefore there is an
irreducible minimum of wages; it is such an amount of vital capital as
suffices to replace the inevitable consumption of the person hired。
Now; surely; it is beyond a doubt that these wages; whether at or
above the irreducible minimum; are paid out of the capital disposable
after the wants of the owner of the flock or of the crop of grain are
satisfied; and; from what has been said already; it follows that there
is a limit to the number of men; whether hired; or brought in any other
way; who can be maintained by the sheep owner or landowner out of his
own resources。 Since no amount of labour can produce an ounce of
foodstuff beyond the maximum producible by a limited number of plants;
under the most favourable circumstances in regard to those conditions
which are not affected by labour; it follows '163' that; if the number
of men to be fed increases indefinitely; a time must come when some
will have to starve。 That is the essence of the so…called Malthusian
doctrine; and it is a truth which; to my mind; is as plain as the
general proposition that a quantity which constantly increases will;
some time or other; exceed any greater quantity the amount of which is
fixed。
The foregoing considerations leave no doubt about the fundamental
condition of the existence of any polity; or organised society of men;
either in a purely pastoral or purely agricultural state; or in any
mixture of both states。 It must possess a store of vital capital to
start with; and the means of repairing the consumption of that capital
which takes place as a consequence of the work of the members of the
society。 And; if the polity occupies a completely isolated area of the
earth's surface; the numerical strength of that polity can never
exceed the quotient of the maximum quantity of food…stuffs producible
by the green plants on that area; in each year; divided by the
quantity necessary for the maintenance of each person during the year。
But; there is a third mode of existence possible to a polity; it may;
conceivably; be neither purely pastoral nor purely agricultural; but
purely manufacturing。 Let us suppose three islands; like Gran Canaria;
Teneriffe and Lanzerote; in the Canaries; to be quite cut off from the
rest of the world。 Let Gran Canaria be '164' inhabited by
grain…raisers; Teneriffe by cattle…breeders; while the population of
Lanzerote (which we may suppose to be utterly barren) consists of
carpenters; woollen manufacturers; and shoemakers。 Then the facts of
daily experience teach us that the people of Lanzerote could never
have existed unless they came to the island provided with a stock of
food…stuffs; and that they could not continue to exist; unless that
stock; as it was consumed; was made up by contributions from the vital
capital of either Gran Canaria; or Teneriffe; or both。 Moreover; the
carpenters of Lanzerote could do nothing; unless they were provided
with wood from the other islands; nor could the wool spinners and
weavers or the shoemakers work without wool and skins from the same
sources。 The wood and the wool and the skins are; in fact; the capital
without which their work as manufacturers in their respective trades
is impossibleso that the vital and other capital supplied by Gran
Canaria and Teneriffe is most indubitably the necessary antecedent of
the industrial labour of Lanzerote。 It is perfectly true that by the
time the wood; the wool; and the skins reached Lanzerote a good deal
of labour in cutting; shearing; skinning; transport; and so on; would
have been spent upon them。 But this does not alter the fact that the
only 〃production〃 which is essential to the existence of the
population of Teneriffe and Gran C