Rashi on Isaiah
From the toil of his soul he would eat and be satisfied, and he would not rob and plunder.
Ibn Ezra on Isaiah
מעמל נפשו יראה ישבע For the travail of his soul he shall see, he shall be satisfied.13A. V., He shall see of the travail of his soul, and shall be satisfied.
Rashi on Isaiah
with his knowledge...would vindicate the just My servant would judge justly all those who came to litigate before him.