 | Charles Darwin - 1996 - 382 sayfa
...he cannot provide the means of support. If he attend to this natural suggestion, the restriction too frequently produces vice. If he hear it not, the human race will be constantly endeavouring to increase beyond the means of subsistence. But as, by that law of our nature which makes... | |
 | Julian L. Simon - 258 sayfa
...slight acquaintance with numbers will shew the immensity of the first power in comparison of the second. By that law of our nature which makes food necessary to the life of man, the effects of these two unequal powers must be kept equal. This implies a strong and constantly operating... | |
 | Robert L. Heilbroner - 1996 - 376 sayfa
...slight acquaintance with numbers will shew the immensity of the first power in comparison of the second. By that law of our nature which makes food necessary to the life of man, the effects of these two unequal powers must be kept equal. This implies a strong and constantly operating... | |
 | Owen Goldin, Patricia Kilroe - 1997 - 276 sayfa
...slight acquaintance with numbers will shew the immensity of the first power in comparison of the second. By that law of our nature which makes food necessary to the life of man, the effects of these two unequal powers must be kept equal. This implies a strong and constantly operating... | |
 | L. T. Evans - 1998 - 268 sayfa
...slight acquaintance with numbers will show the immensity of the first power in comparison of the second. By that law of our nature which makes food necessary to the life of man, the effect of these two unequal powers must be kept equal. This implies a strong and constantly operating... | |
 | 1979 - 334 sayfa
...unchecked, increases in a geometrical ratio. Subsistence increases only in an arithmetical ratio . . . By that law of our nature which makes food necessary to the life of man, the effects of these two unequal powers must be kept equal." The two ratios were introduced as data... | |
 | Thomas Prugh, Herman Daly, Robert Goodland, John H Cumberland, Richard B Norgaard - 1999 - 210 sayfa
...unchecked, increases in a geometrical ratio. Subsistence increases only in an arithmetic ratio.... By that law of our nature which makes food necessary to the life of man, the effects of these two unequal powers must be kept equal. This implies a strong and constantly operating... | |
 | 19?? - 918 sayfa
...slight acquaintance with numbers will show the immensity of the first power in comparison of the second. By that law of our nature which makes food necessary to the life of man, the effects of these two unequal powers must be kept equal. This implies a strong and constantly operating... | |
 | John Aberth - 2001 - 336 sayfa
...slight acquaintance with numbers will show the immensity of the first power in comparison of the second. By that law of our nature which makes food necessary to the life of man, the effects of these two unequal powers must be kept equal. This implies a strong and constantly operating... | |
 | Simon Dalby - 2002 - 280 sayfa
...slight acquaintance with numbers will shew the immensity of the first power in comparison of the second. By that law of our nature which makes food necessary to the life of man, the effects of these two unequal powers must be kept equal. This implies a strong and constantly operating... | |
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By that law of our nature which makes food necessary to the life of man, the effects of these two unequal powers must be kept equal. This implies a strong and constantly operating check on population from the difficulty of subsistence. 
