After Jesus instructed His disciples that they must eat of His flesh and drink of His blood, A big crowd responded by leaving because the teaching was hard and they did not want to do the word to understand and respond in obedience. Jesus tells them that their offence at that saying would be increased when they see him ascend. The action of ascending to where He was before begins at the cross and the idea of a Messiah dying was an offence to them. Is it to us? We must hear and obey and receive Him