'Devotion' in the Bible

Now the rest of the acts of Hezekiah and his deeds of devotion, behold, they are written in the vision of Isaiah the prophet, the son of Amoz, in the Book of the Kings of Judah and Israel.

Now the rest of the acts of Josiah and his deeds of devotion as written in the law of the Lord,

But beyond this, my son, be warned: the writing of many books is endless, and excessive devotion to books is wearying to the body.

“Go and proclaim in the ears of Jerusalem, saying, ‘Thus says the Lord,“I remember concerning you the devotion of your youth,The love of your betrothals,Your following after Me in the wilderness,Through a land not sown.