But when you are looking on anyone as a friend when you do not trust him as you trust yourself, you are making a grave mistake, and have failed to grasp sufficiently the full force of true friendship.

Those griefs burn most which gall in secret.

Whatever one of us blames in another, each one will find in his own heart.

No one loves his country for its size or eminence, but because it's his own.

To make a commencement requires a mental effort.

For what else is Nature but God and the Divine Reason that pervades the whole universe and all its parts.

The mind unlearns with difficulty what it has long learned.