Whither I go, i. e. to the bosom of the Father. This they did not at all understand: and yet even their mistake is an unwitting prophecy of our salvation; i. e. that our Lord would go to the Gentiles, not in His own person, but by His feet, i. e. His members. He sent to us those whom He had made His members, and so made us His members.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: Tract. xxxi. 10