John 16:30

“Now are we sure that thou knowest all things, etc.] Not only all men, but all things, even the secrets of men’s hearts, of which the apostles had now a convincing proof; for whereas Christ had delivered some expressions, (<431616>John 16:16); which they did not understand, and were desirous to ask him the meaning of, (<431619>John 16:19); which he knowing, being God omniscient, prevents their putting the question to him, and enters upon a discourse, in which he so clearly explained what they wanted to be informed of, without their asking him, that they were fully assured that he must know all things; and, as they add, needest not that any man should ask thee: the meaning is, that should…”

“Now are we sure that thou knowest ... - Their difficulty had been to understand what was the meaning of his declaration in John 16:16. About this they conversed among themselves, John 16:17-19. It is evident that they had not mentioned their difficulty to him, and that he had not even heard their conversation among themselves, John 16:19. When, therefore, by his answers to them John 16:20-28, he showed that he clearly understood their doubts; and when he gave them an answer so satisfactory without their having inquired of him, it satisfied them that he knew the heart, and that he assuredly came from God. They were convinced that there was” no need that any man should ask him,” or propose his…”

“Thou knowest all things - Even our hearts. Although no question is asked thee, yet thou answerest the thoughts of every one. By this we believe that thou camest forth from God - They, as it were, echo back the words which he had spoken in Joh 16:27, implying, We believe in God; we believe also in thee. Next: John Chapter 17”

“are: Joh 16:17, Joh 5:20, Joh 21:17; Heb 4:13 by: Joh 17:8 John 16:31”