a burnt child dreams the fire. Once bitten, twice shy.
if you can't stand the heat ... don't start the fire. If you are afraid of the heat, don't turn on the heater ... If you can't stand the heat, go swimming ... If you are afraid of the heat, go swimming. The original proverb is If you can't st And the heat, get out of the kitchen. Don't go into the kitchen if you are afraid of heat (Truman, American President)/Don't be afraid of mutton if you want to eat it.