Job 14:21
"His sons come to honour, and he knoweth it not; and they are brought low, but he perceiveth it not of them."
Cross References (ranked by relevance)
For the living know that they shall die: but the dead know not any thing, neither have they any more a reward; for the memory of them is forgotten.
Doubtless thou art our father, though Abraham be ignorant of us, and Israel acknowledge us not: thou, O LORD, art our father, our redeemer; thy name is from everlasting.
And about the time of her death the women that stood by her said unto her, Fear not; for thou hast born a son. But she answered not, neither did she regard it.
Surely every man walketh in a vain shew: surely they are disquieted in vain: he heapeth up riches, and knoweth not who shall gather them.