The best lack all conviction, while the worst are full of passionate intensity. – William Butler Yeats

There is only one thing for us to do, and that is to do our level best right where we are every day of our lives To use our best judgment, and then to trust the rest to that Power which holds the forces of the universe in his hands. – Orison Swett Marden

The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom. – Plato