John 6:25-30

²⁵and having found him on the other side of the sea, they said to him, 'Rabbi, when hast thou come hither?'

²⁶Jesus answered them and said, 'Verily, verily, I say to you, Ye seek me, not because ye saw signs, but because ye did eat of the loaves, and were satisfied;

²⁷work not for the food that is perishing, but for the food that is remaining to life age-during, which the Son of Man will give to you, for him did the Father seal — even God.'

²⁸They said therefore unto him, 'What may we do that we may work the works of God?'

²⁹Jesus answered and said to them, 'This is the work of God, that ye may believe in him whom He did send.'

³⁰They said therefore to him, 'What sign, then, dost thou, that we may see and may believe thee? what dost thou work?