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