If you are kept in ignorance of the true way and permit yourself to rely upon and be guided by the opinion of imperfect man, you can never gain the riches that will bring you peace and lasting happiness. – Joseph Franklin Rutherford

There is only one way to happiness and that is to cease worrying about things which are beyond the power of our will. – Epictetus

Its obvious, but perhaps worth saying, that happiness has virtually nothing to do with the state of your intellect. – Daniel Keys Moran