Nothing is so common as to imitate one's enemies, and to use their weapons.
Cherish those who seek the truth but beware of those who find it.
I know of no great men except those who have rendered great service to the human race.
Even in those cities which seem to enjoy the blessings of peace, and where the arts florish, the inhabitants are devoured by envy, cares and anxieties, which are greater plagues than any expirienced in a town when it is under siege.
Friends should be preferred to kings.
The progress of rivers to the ocean is not so rapid as that of man to error.