The prophecies concerning the coming Messiah were easily falsified if they were not true. They were too precise to be faked.
Let none despair or think that their case is too hard, too far gone, too hopeless to bring it to the one who is a horn of salvation. While we can come to him we must press forward and not despair. He has a power which is greater than all our sins. He is willing to receive us no matter what we have done, if we set aside all self-justification and come to him as people with needs that only he can deal with. That is what he wants us to do, to be honest about our weakness and to cast ourselves on him entirely.