God declares He will no longer curse the ground because of humanity. Yet, He immediately follows this by stating the heart's intention is evil from youth. How can human depravity be a reason for mercy?
This is one of the most astonishing statements in Scripture. God's decision not to destroy all life again is directly linked to His understanding of human nature: "for the intention of man’s heart is evil from his youth."
This isn't a contradiction, but a profound theological point. Because humanity's heart is so inherently inclined towards evil, to punish every instance with total annihilation would mean constant destruction. God, in His mercy, recognizes this inherent flaw. Instead of continuing to judge with catastrophic floods, He chooses a different path, a path of forbearance and establishing the regular cycles of nature. This declaration isn't an excuse for sin, but an acknowledgment of its pervasive nature and God's sovereign decision to exercise restraint, awaiting a future, more complete redemption.
This doesn't mean God stops judging sin entirely, but it does mean He will not again use a global flood as His method of judgment. The promise is tied to the manner of judgment, not the absence of it.