Successful crime is dignified with the name of virtue; the good become the slaves of the wicked; might makes right; fear silences the power of the law.
The entire world would perish, if pity were not to limit anger.
How much longer are you going to be a pupil? From now on do some teaching as well.
Delay not; swift the flight of fortune's greatest favours.
Difficulties strengthen the mind, as labor does the body.
The mind that is anxious about future events is miserable.