What is deeply consoling to me is that I can know that my Creator knows the meaning of suffering. He understands our suffering. Suffering can't be without meaning if He allowed His Son to suffer so.
Christ's incredible suffering also gives us an idea of the importance of evil and the great debt that we owe God for our sins committed against him, helping us to be thankful for His mercy.
Intellectually, we can understand that God allows evil so that greater good may come of it, as Christ's horrible death demonstrates.
I hope it causes us to realize we can't possible pay the debt we owe. Only then will we put our trust in His finished work upon that cross to deliver us to the uttermost. It's all of Him, and none of us.