No amount of guilt can change the past and no amount of worrying can change the future
Do not be an arrogant scholar, for scholarship cannot subsist with arrogance.
As long as you are pure of heart, you speak the truth.
I have never regretted my silence. As for my speech, I have regretted it over and over again.
Do not depend upon the morality of a person until you have seen him behave while in anger.
There is no goodness in people who don't give advice, and there is no goodness in people who don't like to be advised