כֶּ֣סֶף נִ֭בְחָר לְשׁ֣וֹן צַדִּ֑יק לֵ֖ב רְשָׁעִ֣ים כִּמְעָֽט׃
義人的舌頭如同上等的銀子；惡人的心卻毫無價值。
Tikkunei Zohar
Vav [of the Name Havayah] - this is the Torah that dwells in the mouth, and in the breath of the mouth it fledges on the eagle, since the eagle is the nose, the two wings are the two lips, and about it it is written: "a bird of the air carries the utterance, and a winged creature reports the word" (Prov. 10:20). And this is the middle pillar,