Don't be afraid of enemies who attack you. Be afraid of the friends who flatter you.

It isn't what you have or who you are or where you are or what you are doing that makes you happy or unhappy. It is what you think about it.

you can measure the size of a person by what makes him or her angry

Be wiser than other people if you can; but do not tell them so.

When dealing with people, remember you are not dealing with creatures of logic, but with creatures of emotion, creatures bristling with prejudice, and motivated by pride and vanity

Actions speak louder than words, and a smile says, ‘I like you. You make me happy. I am glad to see you.