Divrei Hahamim Benahat Nishmaim - דִּבְרֵי חֲכָמִים בְּנַחַת נִשְׁמָעִים
Pronunciation: Div·rei ha·ha·mim be·na·hat nish·ma·im
Literal translation: Wise people say their words peacefully
A very famous phrase used often in Israel since Israelis tend to get excited and raise their voice. If someone tells you divrei ha'hamim be'nahat nishmaim, that might mean you should lower your tone a bit. Or that they're telling you what you're saying isn't too smart...
