'Understands' in the Bible

But as for what was sown on good soil, this is the person who hears the word, understands it, and produces a crop that yields 100, 60, or 30 times what was sown."

No one understands. No one searches for God.

For the person who speaks in a foreign language is not actually speaking to people but to God. Indeed, no one understands him, because he is talking about secrets by the Spirit.

that is, if he understands that the Law is not intended for righteous people but for lawbreakers and rebels, for ungodly people and sinners, for those who are unholy and irreverent, for those who kill their fathers, their mothers, or other people,