²⁹ Jesus answered and said unto them, This is the work of God, that ye believe on him whom ^[a]he hath sent. ³⁰ They said therefore unto him, What then doest thou for a sign, that we may see, and believe thee? what workest thou? ³¹ Our fathers ate the manna in the wilderness; as it is written, He ^[b]gave them bread out of heaven to eat.