In my view you cannot claim to have seen something until you have photographed it.

Art is a corner of creation seen through a temperament.

How evil life must be if it were indeed necessary that such imploring cries, such cries of physical and moral wretchedness, should ever and ever ascend to heaven!

Violence has never prospered, you can't remake the world in a day. Anyone who promises to change everything for you all at once is either a fool or a rogue!

The only basis for living is believing in life, loving it, and applying the whole force of one's intellect to know it better.

Perfection is such a nuisance that I often regret having cured myself of using tobacco.

Man's highest duty is to protect animals from cruelty.