Heb 11:13, 1 Pt 1:10-11, 1 Jn 1:1-2
In the Old Testament, many prophets and kings wanted to see Christ. (Heb 11:13, 1 Pt 1:10-11)
Heb 11:13 These all died in faith, not having received the promises, but having seen them afar off, and were persuaded of them, and embraced them, and confessed that they were strangers and pilgrims on the earth.
1 Pt 1:10 Of which salvation the prophets have enquired and searched diligently, who prophesied of the grace that should come unto you: 11 Searching what, or what manner of time the Spirit of Christ which was in them did signify, when it testified beforehand the sufferings of Christ, and the glory that should follow.
That Christ has come. Jesus is the Christ. (Lk 10:23-24, 1 Jn 1:1-2)
Lk 10:23 And he turned him unto his disciples, and said privately, Blessed are the eyes which see the things that ye see: 24 For I tell you, that many prophets and kings have desired to see those things which ye see, and have not seen them; and to hear those things which ye hear, and have not heard them.
1 Jn 1:1 That which was from the beginning, which we have heard, which we have seen with our eyes, which we have looked upon, and our hands have handled, of the Word of life; 2 (For the life was manifested, and we have seen it, and bear witness, and shew unto you that eternal life, which was with the Father, and was manifested unto us;)