Rashi on Isaiah
Present your plea All the heathens ([mss. K’li Paz:] nations), come and contend and debate with My children.
Ibn Ezra on Isaiah
קרבו Produce. It is imperative Piel after the form of ברכו praise (Jud. 5:2).
Rashi on Isaiah
your strong points Heb. עַצֻּמוֹתֵיכֶם, Your sturdy and strong arguments. This is an expression of a dispute in Mishnaic Hebrew: “Two who were engaged in a legal dispute (מִתְעַצְּמִין),” in Tractate Sanhedrin (31b).