Marriage must perforce fight against the all-devouring monster of habit.

Thought is the only treasure that God sets outside all power and keeps to serve as a secret link among the unhappy.

When chaste people need body or mind to resort to action or thought, they find steel in their muscles or knowledge in their intelligence. Theirs the diabolic vigor or the black magic of will power.

The habits of life form the soul, and the soul forms the physical presence.

The secret of great fortunes without apparent cause is a crime forgotten, for it was properly done.

A man's own vanity is a swindler that never lacks for a dupe.

What makes friendship indissolute and what doubles its charms is a feeling we find lacking in love: I mean certitude.