焼き餅焼くとて手を焼くな
Meanings
1
keep your jealousy in check, lest you invite misfortune; don't let jealousy burn you
Proverb playing on the double meaning of 焼きもち (grilled rice cake / jealousy). Literally: 'Even if you grill rice cakes, don't burn your hands.' Figuratively: 'Even if you feel jealous, don't let it cause you trouble.'
See also: 焼きもち
As the proverb 'Even if you burn yakimochi, don't burn your hands' says, if you let jealousy control you, you'll be the one who suffers.