Happy is the man who has broken the chains which hurt the mind, and has given up worrying once and for all.Ovid
True happiness is... to enjoy the present, without anxious dependence upon the future.Lucius Annaeus Seneca
A quarrel is quickly settled when deserted by one party; there is no battle unless there be two.Lucius Annaeus Seneca
Although a man may wear fine clothing, if he lives peacefully; and is good, self-possessed, has faith and is pure; and if he does not hurt any living being, he is a holy man.Denis Diderot
When you are offended at any mans fault, turn to yourself and study your own failings. Then you will forget your anger.Epictetus