Uncertainty is the refuge of hope.

Man becomes man only by his intelligence, but he is man only by his heart.

Conquering any difficulty always gives one a secret joy, for it means pushing back a boundary-line and adding to one's liberty.

Uncertainty is the refuge of hope.

Every situation is an equilibrium of forces; every life is a struggle between opposing forces working within the limits of a certain equilibrium

We are never more discontented with others than when we are discontented with ourselves.

What we do not understand we have no right to judge