La vie est un miroir: si tu y regardes en souriant, il te sourit en retour.

There are two freedoms - the false, where a man is free to do what he likes; the true, where he is free to do what he ought.

Leadership is like pruning: sometimes you must cut back to allow stronger growth.

Happiness is not something ready made. It comes from your own actions.

The power of science lies in its universality and objectivity, it transcends culture and national boundaries.