Santa Claus has the right idea - visit people only once a year. Victor Borge
Marriage is too interesting an experiment to be tried only once. Eva Gabor
After all, you put a lot into creating a universe and everything that goes with it, and it seems a shame to use it only once. Terry Brooks
The wise man will be cheated only once. Finnish Proverb
Life is like a ballet performance - danced only once. Malian Proverb
The fox falls into the trap only once. Bulgarian Proverb