And it had been revealed to him by the Holy Spirit that he would not see death before he had seen the Lord’s Christ.

Jesus Rejoices in the Spirit

In that hour Jesus rejoiced in the Spirit and said, “I thank You, Father, Lord of heaven and earth, that You have hidden these things from the wise and prudent and revealed them to babes. Even so, Father, for so it seemed good in Your sight.

But God has revealed them to us through His Spirit. For the Spirit searches all things, yes, the deep things of God.

which in other ages was not made known to the sons of men, as it has now been revealed by the Spirit to His holy apostles and prophets:

To them it was revealed that, not to themselves, but to us they were ministering the things which now have been reported to you through those who have preached the gospel to you by the Holy Spirit sent from heaven—things which angels desire to look into.