2 Samuel 19:35

I am this day fourscore years old: and can I discern between good and evil? can thy servant taste what I eat or what I drink? can I hear any more the voice of singing men and singing women? wherefore then should thy servant be yet a burden unto my lord the king?

Cross-reference

Ecclesiastes 12:1-5 vividly depicts old age's decline — Barzillai's inability to taste and hear matches this poetic description.

Hebrews 5:14 speaks of training to 'discern good and evil' — the same phrase Barzillai uses, but here for spiritual maturity.

Psalm 90:10 Parallel

Psalm 90:10 mentions eighty years as the lifespan—direct numerical parallel to Barzillai's stated age of eighty.

Ecclesiastes 12:4 describes 'daughters of song brought low' in old age—a poetic parallel to Barzillai's inability to hear singing.

Psalm 71:9 Parallel

Psalm 71:9 pleads not to be cast off in old age when strength fails—parallels Barzillai's self-awareness of declining abilities.