21:28 “What ¹  do you think? A man had two sons. He went to the first and said, ‘Son, go and work in the vineyard today.’ 21:29 The boy answered, ²  ‘I will not.’ But later he had a change of heart ³  and went. 21:30 The father ⁴  went to the other son and said the same thing. This boy answered, ⁵  ‘I will, sir,’ but did not go.