When we have nothing to worry about we are not doing much, and not doing much may supply us with plenty of future worries.

The man who says it cannot be done, should not interrupt a man who is doing it.

The gem cannot be polished without friction, nor man perfected without trials.

Those who have free seats at a play hiss first.

When a finger points at the moon, the imbecile looks at the finger.

The tongue can paint what the eye can't see.

The man who strikes first admits that his ideas have given out.

The great question is not whether you have failed, but whether you are content with failure.

Unjustly obtained wealth is as snow sprinkled with hot water.