“Nothing is ever certain.”
“When we speak of the morrow nothing is ever certain.”
“In my experience, nothing worthwhile has ever really been all that easy. But it certainly has been worthwhile regardless how difficult it seemed. ”
“It is only certain that there is nothing certain, and that nothing is more miserable or more proud than man.”
“Love was certainly not safe - not ever.”
“Nothing in the world is as certain as death.”