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

Time stays long enough for anyone who will use it.

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

Life well spent is long.

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.

Who sows virtue reaps honor.