כִּ֤י אִ֥ם בְּתוֹרַ֥ת יְהוָ֗ה חֶ֫פְצ֥וֹ וּֽבְתוֹרָת֥וֹ יֶהְגֶּ֗ה יוֹמָ֥ם וָלָֽיְלָה׃
But his delight is in the law of the LORD; and in His law doth he meditate day and night.
Read Jewish philosophical commentary on Psalms 1:2: and classical philosophical sources.