If you do it once, you'll do it again!

If you do something right once, someone will ask you to do it again.

— Azgraybebly Joslan

Won't you do it and do it one time?

— Sugarland

If you do Mistake once,Make sure you'll do it Twice !!

— Mario Stanyer

Just do it. then do it again!

— Dyllan

If you had done something twice, you are likely to do it again.

— Brian Kernighan

Try it. You don't have to do it ever again if you don't want to. But try it once. Try everything once.

— Melvin Burgess

Here on Earth, we live once and die once. So, whatever you're doing, do it like you're only gonna do it once.

— Terry Mark

Oh, you do it again

— Static-X

I'll never do that again!

— Grete Waitz

Every time you get in front of the lights and the cameras and you think, 'Okay, well, we've done this before, but we have…

— Brian Tyree Henry

I never do the same thing twice.

— Tierra Whack

If you give yourself to your task at once, you won't have to do it twice.

— David Seabury

I know� I know� but I can only do it once.

— Daffy Duck

If i had to do it all over again? Why not, I would do it a little bit differently.

— Freddie Mercury

I'll try anything once, most things twice.

— Michael Flatley