Proverbs 18:15

15 The heart of the discerning acquires knowledge, for the ears of the wise seek it out.

Read Proverbs 18:15 Using Other Translations

The heart of the prudent getteth knowledge; and the ear of the wise seeketh knowledge.
An intelligent heart acquires knowledge, and the ear of the wise seeks knowledge.
Intelligent people are always ready to learn. Their ears are open for knowledge.