Biblical citations in the hymnal: John 8:12; John 1:4, 14, 17; 14:6
John 8:12: "Again Jesus spoke to them, saying, 'I am the light of the world. Whoever follows me will not walk in darkness, but will have the light of life.'"
John 1:4: "In him was life, and the life was the light of men."
John 1:14: "And the Word became flesh and dwelt among us, and we have seen his glory, glory as of the only Son from the Father, full of grace and truth."
John 1:17: "For the law was given through Moses; grace and truth came through Jesus Christ."
John 14:6: "Jesus said to him, 'I am the way, and the truth, and the life. No one comes to the Father except through me.'"
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John 8:12 and John 1:4 (Jesus as light) are both alluded to at the end of the first verse: "Darkness is daylight when Jesus is there."
The truth mentioned in John 1:14, John 1:17, and John 14:6 appears in the second verse: "Christ be my Teacher in age as in youth, / Drifting or doubting, for He is the truth."
John 14:6 actually appears throughout the hymn: "He is the way" in the first verse, "He is the truth" in the second, and "He is the life" in the third.
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