Certainty Quotes

When I was young I was sure of everything; in a few years, having been mistaken a thousand times, I was not half so sure of most things as I was before; at present, I am hardly sure of anything but what God has revealed to me.

If a man will begin with certainties, he shall end in doubts, but if he will be content to begin with doubts, he shall end in certainties.

Oh! let us never, never doubt, What nobody is sure about!

It is always probable that something improbable will happen.