Proverbs 2:7 Halakhah

וצפן [יִצְפֹּ֣ן] לַ֭יְשָׁרִים תּוּשִׁיָּ֑ה מָ֝גֵ֗ן לְהֹ֣לְכֵי תֹֽם׃

He layeth up sound wisdom for the upright, He is a shield to them that walk in integrity;