Charles Ellicott Commentary Jeremiah 11:20

"But, O Jehovah of hosts, who judgest righteously, who triest the heart and the mind, I shall see thy vengeance on them; for unto thee have I revealed my cause." — Jeremiah 11:20 (ASV)

Let me see your vengeance on them. —The prayer, like that of the so-called vindictive Psalms (Psalms 69 and Psalm 109), belongs to the earlier stage of the religious life when righteous indignation against evil is not yet tempered by the higher law of forgiveness. As such it is not to be imitated by Christians, but neither is it to be hastily condemned. The appeal to a higher judge, the desire to leave vengeance in His hands, is in itself a victory over the impulse to take vengeance into our own hands. Through it, in most cases, the sufferer from wrong must pass before he can attain to the higher and more Christ-like temper which utters itself in the prayer, Father, forgive them, for they know not what they do (Luke 23:34).

To you have I revealed my cause. —i.e., laid it bare before you. The thought and the phrase were characteristic of Jeremiah, and appear again in Jeremiah 20:12.