Let your action be free of all traces of ego. When an action is free of ego it leaves no problems in its wake.

The Ancient Sage

No man has a good enough memory to make a successful liar.

Abraham Lincoln

All wrong-doing arises because of mind.

Buddha

To truly laugh, you must be able to take your pain, and play with it.

Charlie Chaplin

Man suffers only because he takes seriously what the gods made for fun.

Alan Watts

Nowadays people know the price of everything and the value of nothing.

Oscar Wilde