The only true voyage of discovery, the only fountain of Eternal Youth, would be not to visit strange lands but to possess other eyes, to behold the universe through the eyes of another, of a hundred others, to behold the hundred universes that each of them beholds, that each of them is.
The irrationality of a thing is no argument against its existence, rather a condition of it.
The world is so empty if one thinks only of mountains, rivers and cities; but to know someone who thinks and feels with us, and who, though distant, is close to us in spirit, this makes the earth for us an inhabited garden.
Mathematics, rightly viewed, possesses not only truth, but supreme beauty; a beauty cold and austere, like that of sculpture.
Hope has two gorgeous daughters: contempt and courage...
Contempt for the reality of things; courage to change them.
Time is the great physician.
Anyone can give an answer, it's a asking a good question that requires a genius.
Strenght doesn't come from physical vigour. It comes from an indomitable will.
All the things, also the less interesting ones, or the most ugly, have an pleasant side. You must just want to see it.
What doesn't kill me, makes me stronger.