It is only with the heart that one can see rightly; what is essential is invisible to the eye.
Your task is not to foresee the future, but to enable it.
Citadelle, translated as The Wisdom of the Sands (1948)
A rock pile ceases to be a rock pile the moment a single man contemplates it, bearing within him the image of a cathedral.
Grown-ups never understand anything by themselves, and it is tiresome for children to be always and forever explaining things to them.
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.
Wind, Sand and Stars (1939)