"he is to say, ‘Thy will be done’"
Christ Walking on Water
Public DomainChrist Walking on Water

The phrase 'Thy will be done' is part of the Lord's prayer, as found in Matthew 6:9-10 and Luke 11:2-4 (King James Version).

'Our Father which art in heaven, Hallowed be thy name. Thy kingdom come, Thy will be done in earth, as it is in heaven.'