John 16:24
“Hitherto you have asked nothing.”
2. Hence He shows it to be good that He should depart, if hitherto they had asked nothing, and if then they should receive all things whatsoever they should ask. “For do not suppose, because I shall no longer be with you, that you are deserted; My Name shall give you greater boldness.” Since then the words which He had used had been veiled, He says,
Source: Homilies on the Gospel of John (New Advent)