What saves a man is to take a step. Then another step. It is always the same step, but you have to take it.

True happiness comes from the joy of deeds well done, the zest of creating things new.

The one thing that matters is the effort.

Language is the source of misunderstandings.

I don’t care if you like it! I want to know if you understand it!

Your task is not to foresee the future but to enable it.

With the plane, we learned to move in straight lines.

You become responsible, forever, for what you have tamed.

But eyes are blind. You have to look with the heart.

All grown-ups were once children… but only few of them remember it.