When a heart is on fire, sparks always fly out of the mouth.
— Proverbs

People are usually more convinced by reasons they discovered themselves than by those found out by others.
Blaise Pascal persuasiveness quote

You may fool all the people some of the time; you can even fool some of the people all the time; but you cant fool all of the people all the time.
— Abraham Lincoln

The tongue can paint what the eye can't see.
— Chinese Proverbs

If you can't get people to listen to you any other way, tell them it's confidential.
— persuasiveness quotation by Proverbs