Charles Darwin

But then arises the doubt, can the mind of man, which has, as I fully believe been developed from a mind as low as that possessed by the lowest animal, be trusted when it draws such grand conclusions?

Charles Darwin

But then with me the horrid doubt always arises whether the convictions of man’s mind, which has been developed from the mind of the lower animals, are of any value or at all trustworthy.

Charles Darwin

Daily it is forced home on the mind of the biologist that nothing, not even the wind that blows, is so unstable as the level of the crust of this earth.

Charles Darwin

Delight itself, however, is a weak term to express the feelings of a naturalist.

Charles Darwin

Disbelief crept over me at a very slow rate, but at last it was complete.

Charles Darwin

Endless forms most beautiful and most wonderful have been, and are being evolved.

Charles Darwin

Englishmen rarely cry, except under the pressure of the acutest grief; whereas in some parts of the continent the men shed tears much more readily and freely.

Charles Darwin

Even the humblest mammal’s strong sexual, parental, and social instincts give rise to ‘do unto others as yourself’ and ‘love thy neighbor as thyself’.

Charles Darwin

Every new body of discovery is mathematical in form, because there is no other guidance we can have.

Charles Darwin

Everything in nature is the result of fixed laws.

Charles Darwin