trying to find out the time and circumstances to which the Spirit of Christ in them was pointing when he predicted the sufferings of Christ and the glories that would follow.
Read verse 10 again.
The prophets were looking forward to salvation. Salvation and the entire Old Testament points to one focal point -- Jesus, the Christ. He is the focal point of all things. Everything before His time on earth looks forward to Him. We that have come after Him look back at what He did.