Song of Solomon 8:7
"Many waters cannot quench love, neither can the floods drown it: if a man would give all the substance of his house for love, it would utterly be contemned."
Cross References (ranked by relevance)
Proverbs 6:35
He will not regard any ransom; neither will he rest content, though thou givest many gifts.
Isaiah 43:2
When thou passest through the waters, I will be with thee; and through the rivers, they shall not overflow thee: when thou walkest through the fire, thou shalt not be burned; neither shall the flame kindle upon thee.
Proverbs 6:31
But if he be found, he shall restore sevenfold; he shall give all the substance of his house.