Self-love is the greatest of all flatterers.
Criticism sometimes is really praise, and praise sometimes slander.
Envy is destroyed by true friendship, as coquetry by true love.
There are a great many simpletons who know themselves to be so, and who make a very cunning use of their own simplicity.
More men are guilty of treason through weakness than any studied design to betray.
To praise great actions with sincerity may be said to be taking part in them.