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A grand and almost untrodden field of inquiry will be opened, on the causes and laws of variation, on correlation of growth, on the effects of use and...more

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The affinities of all the beings of the same class have sometimes been represented by a great tree.I believe this simile largely speaks the truth. The...more

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If I had my life to live over again, I would have made a rule to read some poetry and listen to some music at least once every week.

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A man who dares to waste one hour of time has not discovered the value of life.

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There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that...more

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As many more individuals of each species are born than can possibly survive; and as, consequently, there is a frequently recurring struggle for existe...more