See then that ye walk circumspectly, not as fools, but as wise,
Ver. 15. See then that ye walk circumspectly] Precisely, exactly, accurately, by line and by rule, and as it were in a frame, striving to get up to the top of godliness, as the word importeth; to keep God's commandments to the utmost, to go to the extremity of it, ακριβως εις ακρον Βαινειν. Hereunto if we stand straightly, one may say safely, Lord, if I be deceived, thou and thy word have deceived me.
Not as fools] Christians must excel others, standing as standard bearers.
But as wise] Great need we have to fly to Christ, who dwells with prudence, Proverbs 8:1,36, to stand upon our watch. (Σοφος ab Heb. Tsopheh. Speculator.) And when we walk, to tread gingerly, step warily; since as those funambulones, rope walkers (it is Tertullian's comparison), if we tread but one step awry, we are utterly gone.