While ye have light, believe in the light. — Better, as above, According as ye have the light. The words are repeated and placed in the most emphatic position in the sentence.
That ye may be the children of light. — Better, that ye may become sons of light. (Comp. for this phrase Notes on John 17:12; Luke 10:6; Luke 16:8; also Ephesians 5:8.) The thought here is the one familiar in St. John, that the believer should become like unto Him in whom he believed. Those who believed in the light should receive light, and become themselves centres whence light should radiate to others and illumine their own paths.
These things spake Jesus, and departed. — (Comp. Note on Luke 21:37.) He retired probably to Bethany.