It is not possible for one to teach others who cannot teach his own family.
Don't curse the darkness, light a candle.
She who is born with beauty is born with a sorrow for many a man.
The virtuous will be sure to speak uprightly; but those whose speech is upright may not be virtuous.
A true gentleman makes demands upon himself but not upon others.
Study as if you have not reached your goal - hold it as if you were afraid of losing what you have.