Once bitten, twice shy
Related:
- hiding behind the counter]
Okay, don't try anything funny
I'm armed to the teeth. -- Apu, once bitten twice... - Measure twice
cut once... - Once a philosopher
twice a pervert. --... - Hear twice before you
speak once... - I had amnesia once or twice.
Steven... - Once is an accident, twice is coincidence
thrice is enemy action... - Press [ENTER] once to quit or twice to save
changes... - Try everything once
Try the fun stuff twice..... - Heating with wood, you get warm twice: Once chopping it
and once stacking it...
