The student of Nature wonders the more and is astonished the less, the more conversant he becomes with her operations; but of all the perennial miracles she offers to his inspection, perhaps the most worthy of admiration is the development of a plant or of an animal from its embryo.

Genius, as an explosive power, beats gunpowder hollow.

Proclaim human equality as loudly as you like, Witless will serve his brother.

The doctrine that all men are, in any sense, or have been, at any time, free and equal, is an utterly baseless fiction.

Whatever evil voices may rage, Science, secure among the powers that are eternal, will do her work and be blessed.

I cannot but think that he who finds a certain proportion of pain and evil inseparably woven up in the life of the very worms, will bear his own share with more courage and submission.

Action is the catalyst that creates accomplishments. It is the path that takes us from uncrafted hopes to realized dreams.