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

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

Freedom of thought is best promoted by the gradual illumination of men’s minds which follows from the advance of science.

Great is the power of steady misrepresentation.

I am not apt to follow blindly the lead of other men.

I am not the least afraid to die.

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.

If the misery of the poor be caused not by the laws of nature, but by our institutions, great is our sin.

In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.

Man in his arrogance thinks himself a great work worthy the interposition of a deity. More humble, and I believe truer, to consider him created from animals.

Man selects only for his own good: Nature only for that of the being which she tends.

Man tends to increase at a greater rate than his means of subsistence.

The highest possible stage in moral culture is when we recognise that we ought to control our thoughts.

The love for all living creatures is the most noble attribute of man.

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

We stopped looking for monsters under our bed when we realized that they were inside us.

/ Charles Darwin

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