A burnt CHILD dreads the fire.
Raz sparzony dmucha na zimne.
Lepiej chuchac niż dmuchać.
Sim. Once bitten twice shy.
Cf. A scalded CAT fears cold water / A scalded DOG fears cold water / He that has been bitten by a SERPENT is afraid of a rope / Whom a SERPENT has bitten, a lizard alarms.