Charles Darwin

The love of money is the root of all evil, but the lack of money is the root of all misery.

False facts are highly injurious to the progress of science, for they often endure long; but false views, if supported by some evidence, do little harm, for everyone takes a salutary pleasure in proving their falseness.

A man's friendships are one of the best measures of his worth.

We are not to expect that the science of geology will be completed in our own days.

Great is the power of steady misrepresentation.

The more we learn of the world, the more we are impressed with the infinite variety of its productions, and with the infinite wisdom of its Creator.

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

To kill an error is as good a service as to establish a new truth.

It is a cursed evil to any man to become so absorbed in any one subject as I am in mine.

I have tried to show that the most complex and beautiful adaptations have arisen through the natural selection of innumerable slight successive variations.

It is not the strongest species that survive, nor the most intelligent, but the ones most responsive to change.

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

I have been much struck by the fact that the more I have seen of the world, the more I have been impressed with the truth of the old proverb, 'There is nothing new under the sun.'

It is a grand and almost awful thought that we are descended from a common ancestor.

I have nothing to say about the origin of man, except that he is a mammal.

He who understands baboon is nearer to understanding man than he who understands angel.

It is a truly wonderful fact that all animals and all plants throughout all time and space should be related to each other.

The very existence of the human race depends on the constant struggle for existence.

I have no doubt that the theory of evolution will be generally accepted in the future.

Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult, at least, than constantly to bear this conclusion in mind.