One can be instructed in society, one is inspired only in solitude.
For the butterfly, mating and propagation involve the sacrifice of life, for the human being, the sacrifice of beauty.
Everything is both simpler than we can imagine and more entangled than we can conceive.
Instruction does much, but encouragement everything.
Let us live, while we are alive!
To measure up to all that is demanded of him, a man must overestimate his capacities