Cowards die many times before their deaths; the valiant never taste of death but once.
Analysis kills spontaneity. The grain once ground into flour springs and germinates no more.
Woman is at once apple and serpent.
Youth comes but once in a lifetime.
What is now proved was once only imagined.
Once you learn to quit, it becomes a habit.
Once is never. Twice is always.
Always remember that you were once alone, and the crowd you see in your life today are just as unecessary as when you were alone.
The difference is that she loved him once and he loved her twice.
I remember once, actually the first race I ran, I fell.
I was adored once too.
I once rode a motorcycle across Tunisia, Algeria and Morocco!
The once all-powerful ruler of Iraq was found in a hole, and now sits in a prison cell.
No man who has once heartily and wholly laughed can be altogether irreclaimably bad.
A critic once described me as an 'amiable beanpole.' I got it printed on a T-shirt.
I was once a fairly angry person.
The existentialist says at once that man is anguish.
No idea is so antiquated that it was not once modern. No idea is so modern that it will not someday be antiquated.
Mistakes, once owned, apologized for, and buried, need to be an accepted part of life.
I did die once, for seven seconds, after a burst appendix.