Proverbs 15:32

15:32 The one who refuses correction despises himself,

but whoever hears reproof acquires understanding.

Proverbs 18:1

18:1 One who has isolated himself seeks his own desires;

he rejects all sound judgment.

Proverbs 19:8

19:8 The one who acquires wisdom loves himself;

the one who preserves understanding will prosper.