The Holy Spirit had revealed to him that he would not see death before he had seen the Lord’s Christ.
Καὶ ἦν αὐτῷ κεχρηματισμένον ὑπὸ τοῦ πνεύματος τοῦ ἁγίου, μὴ ἰδεῖν θάνατον πρὶν ἢ ἴδῃ τὸν Χριστὸν Κυρίου.