When you do not know of a thing say so plainly.
Fear him, whom you hate.
For those who practise tyranny and deprive others of their rights, I will be harsh and stern, but for those who follow the law, I will be most soft and tender.
Don't forget your own self while preaching to others.
To speak less is wisdom, to eat less is healthy, and to mingle less with te people is safe and serene.
Acquire knowledge and teach it to people.