The heart is forever making the head its fool.
We are more often treacherous through weakness than through calculation.
The mind cannot long play the heart's role.
Hypocrisy is the homage vice pays to virtue.
We are always bored by the very people by whom it is vital not to be bored.
Only strong natures can really be sweet ones; those that seem sweet are in general only weak, and may easily turn sour.