Then the disciples looked one on another, doubting of whom he spake.
Ver. 22. Looked one upon another doubting, &c.] Our Saviour sifted them; and hereby put them upon the duty of self-examination; ever seasonable, but especially before the sacrament, as here, Let a man examine himself (and do it exactly, as the word signifies, δοκιμαζετω, 2Co 11:28), though the heart hang off never so much. Men are as loth to review their actions and read the blurred writing of their hearts, as schoolboys are to parse their lessons and false Latins they have made. But this must be done, or they are undone for ever. And sparing a little pains at first, doubles it in the end; as he who will not cast up his books, his books will cast him up at length.