In Context

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

26 Jesus 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;

27 work 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.'

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

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

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

John 6:28 in Other Translations