1)
Why did he say "he'Chacham Ya'aneh Da'as Ru'ach"?
1.
Rashi: This is astounding. A Chacham, will he raise his voice with folly?!
2.
Devar Eliyahu: How will a Chacham blemish speech [via saying empty words]?!
3.
Malbim: A Chacham must speak words of Chochmah, and not of folly.
2)
Why did he add "vi'Ymalei Kadim Bitno"?
1.
Ibn Ezra: Kadim is Ru'ach Kadim (the east wind, i.e. empty words).
2.
Devar Eliyahu: How will a Chacham blemish thought?!
3.
Malbim: A Chacham should not even think folly, even if he will not verbalize it.
