Do not put your spoon into the pot which does not boil for you.

Related:

• Do not put your spoon into the pot which does not boil for you.
  Romanian...
• Better a mouse in the pot than no meat at all.
  Romanian...
• A Watched Pot May Never Boil,
  But the Cook Certainly Does...
• You can watch a horse boil in a pot but you can't
  drink him...
• If you wish good advice, consult an old man.
  Romanian...
• Nothing you put in a banana split is as fattening as
  a spoon...
• The anvil fears no blows. --
  Romanian...
• The anvil fears no blows.
  Romanian...
• Adversity makes a man wise, not rich. --
  Romanian...