Bernard Le Bovier de Fontenelle

Nature is never so admired as when she is understood.

Nature Understanding

A philosopher will not believe what he sees because he is too busy speculating about what he does not see.

Beliefs Knowledge Perception

People almost always do great things without knowing how to do them, and are quite surprised to have done them.

Achievements Discovery Potential

A great obstacle to happiness is to expect too much happiness.

Expectations Happiness