Proverbs 18:15 Kabbalah

לֵ֣ב נָ֭בוֹן יִקְנֶה־דָּ֑עַת וְאֹ֥זֶן חֲ֝כָמִ֗ים תְּבַקֶּשׁ־דָּֽעַת׃

The heart of the prudent getteth knowledge; And the ear of the wise seeketh knowledge.

Read kabbalistic (mystical) interpretation of Proverbs 18:15: and classical mystical sources.