The true measure of your character is what you do when nobody's watching.
Mystery is not profoundness.
Genius in one grand particular is like life. We know nothing of either but by their effects.
Hurry is the mark of a weak mind, dispatch of a strong one.
When you have nothing to say, say nothing.
Constant success shows us but one side of the world. For as it surrounds us with friends who will tell us only our merits, so it silences those enemies from whom alone we can learn our defects.