I can do nothing on my own. I judge as I hear, and my judgment is just, because I do not seek my own will but the will of the one who sent me.
In context
28Do not be amazed at this: the hour is coming when all who are in the tombs will hear his voice 29and come out — those who have done good, to a resurrection of life; those who have done evil, to a resurrection of judgment. 30I can do nothing on my own. I judge as I hear, and my judgment is just, because I do not seek my own will but the will of the one who sent me. 31If I testify about myself, my testimony is not valid. 32There is another who testifies about me, and you know that the testimony he gives about me is true.