Acquire knowledge and teach it to people.
Trust is that there should be no difference between what you do and say and what you think.
Take account of yourselves before you are brought to account.
Do not be misled by a person's prayers and fasting. [Instead] look [at their] sincerity and wisdom.
The happiest of people is the one under whose care people are happy because of him, and the most miserable of people is the one under whose care people are miserable because of him.
A man may be as straight as an arrow, but even then he will have some critics.