There are three classes of people: those who see, those who see when they are shown, those who do not see.

People talk to people who perceive nothing, who have open eyes and see nothing; they shall talk to them and receive no answer; they shall adore those who have ears and hear nothing; they shall burn lamps for those who do not see.

Time abides long enough for those who make use of it.

Who sows virtue reaps honor.

Poor is the pupil who does not surpass his master.

Why does the eye see a thing more clearly in dreams than the imagination when awake?