We are saved and become Christians by believing in the atoning death and resurrection of Jesus. However, in order to grow and become mature as Christians we must abide in Him.
Despite knowing the physical and spiritual anguish He would soon endure, Jesus was concerned only with the will of the Father. Unlike the first Adam who through his actions said to God "Not Your will but my will be done," Jesus prayed humbly to the Father "Not my will but Yours be done."