Charles Darwin

A scientific man ought to have no wishes, no affections, – a mere heart of stone. – Charles Darwin

A man’s friendships are one of the best measures of his worth. – Charles Darwin

An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men. – Charles Darwin

The mystery of the beginning of all things is insoluble by us; and I for one must be content to remain an agnostic. – Charles Darwin

The highest possible stage in moral culture is when we recognize that we ought to control our thoughts. – Charles Darwin

I love fools’ experiments. I am always making them. – Charles Darwin

We must, however, acknowledge, as it seems to me, that man with all his noble qualities… still bears in his bodily frame the indelible stamp of his lowly origin. – Charles Darwin

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

It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change. – Charles Darwin