Then they sought to take him - The rulers and their friends. They did this:
1.Because of his reproof; and,
2.For professing to be the Messiah.
His hour - The proper and the appointed time for his death. See Matthew 21:46.
Related Commentaries of John 7:30
John 7:30
30 Then they sought to take him: but no man laid hands on him, because his hour was not yet come.