You can't get a cup of tea big enough or a book long enough to suit me.

You can never get a cup of tea large enough or a book long enough to suit me

If you're not big enough to lose, you're not big enough to win.

Hubble knows there is interesting stuff out there, but Hubble isn't quite big enough.

Costume people are always saying they don't have clothes big enough for me.

My back's not big enough for the number of targets on it.