King James Version (KJV)
But his delight is in the law of the LORD; and in his law doth he meditate day and night.
Modern English
but his delight is in the law of the LORD, and on his law he meditates day and night.
Hebrew
כִּ֤י אִ֥ם בְּתוֹרַ֥ת יְהוָ֗ה חֶ֫פְצ֥וֹ וּֽבְתוֹרָת֥וֹ יֶהְגֶּ֗ה יוֹמָ֥ם וָלָֽיְלָה׃
kiy ʾim btvorat yhvah ḥepṣvo vbtvoratvo yehgeh yvomam valaylah