כִּ֤י מִ֪יץ חָלָ֡ב י֘וֹצִ֤יא חֶמְאָ֗ה וּֽמִיץ־אַ֭ף י֣וֹצִיא דָ֑ם וּמִ֥יץ אַ֝פַּ֗יִם י֣וֹצִיא רִֽיב׃ (פ)
For the churning of milk bringeth forth curd, And the wringing of the nose bringeth forth blood; So the forcing of wrath bringeth forth strife.
Read kabbalistic (mystical) interpretation of Proverbs 30:33: and classical mystical sources.