7. εἶπ. σοι. Δεῖ ὑμᾶς. Note the change of number and comp. Joh 1:51. The declaration is pressed home: τις in Joh 3:3; Joh 3:5 is no vague generality; excepting Him who says ‘ye,’ it is of universal application. ‘Ye, the chosen people, ye, the Pharisees, ye, the rulers, who know so much (Joh 3:2), must all be born of water and spirit.’