John the Apostle
John 17:18ESV·traditional attribution

As you sent me into the world, so I have sent them into the world.

John Calvin Reformed @genevareformer

18. As thou hast sent me into the world. He confirms his prayer by another argument; namely, because the calling of Christ and of the apostles is the same calling, and is common to both. “I now,” he says, “appoint them to an office, which I have hitherto held by thy command; and, therefore, it is necessary that they should be furnished with the power...

Matthew Henry Presbyterian @wholebiblehenry

The next thing he prayed for for them was that they might be sanctified; not only kept from evil, but made good. I. Here is the petition (Joh 17:17): Sanctify them through thy truth, through thy word, for thy word is truth; it is true - it is truth itself. He desires they may be sanctified, 1. As Christians.

Commenting on John 17:17-19

John Gill Reformed Baptist @doctorgill

And for their sakes I sanctify myself,.... Which is to be understood, not of his making himself holy; for he never was a sinner, and so stood in no need of sanctification: he was made like unto us, yet without sin; he looked like a sinner, but was not one; he was traduced, charged, and treated as such, but was perfectly holy, and free from...