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As nature has uncovered from under this hard shell the seed for which she most tenderly cares - the propensity and vocation to free thinking - this gr...more

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Laziness and cowardice are the reasons why so great a portion of mankind, after nature has long since discharged them from external direction (natural...more

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[At the beginning of modern science], a light dawned on all those who study nature. They comprehended that reason has insight only into what it itself...more

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...[N]ature generally in the distribution of her capacities has adapted the means to the end... [so nature's] true destination must be to produce a wi...more

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In the physical constitution of an organized being, that is, a being adapted suitably to the purposes of life, we assume it as a fundamental principle...more