To be a man is, precisely, to be responsible.

You do not explain the tree by telling of the water it has drunk, the minerals it has absorbed, and the sunlight that strengthened it.

We are all youthful barbarians, and only our new toys bring us excitement. That has been the sole purpose of our flights. This one flies higher, that one faster. But now we will make ourselves at home. We will forget the machine, the tool. It is no longer complex; it does what it is supposed to do, unnoticed. And through this tool we will find again the old nature, the nature of the gardener, the navigator, the poet.

One's suffering disappears when one lets oneself go, when one yields - even to sadness.

True love is visible not to the eyes but to the heart, for eyes may be deceived.

Ephemeral" It means 'which is in danger of speedy disappearance.

To be a man is, precisely, to be responsible. It is to feel shame at the sight of what seems to be unmerited misery. It is to take pride in a victory won by one's comrades. It is to feel, when setting one's stone, that one is contributing to the building of the world.