the same fire that melts the butter, hardens the egg

US /ðə ˌseɪm ˈfaɪər ðət ˌmelts ðə ˈbʌt.ər ˈhɑːr.dənz ði: ˈeɡ/
"the same fire that melts the butter, hardens the egg" picture
1.

同樣的火，融化了奶油，也使雞蛋變硬