As referred to in the OP:
"You keep track of my wandering.
Do collect my tears in your skin bottle.
Are they not recorded in your book?"
Who is this Jehovah that is mentioned?
Click on the links below and watch a little video that explains:
Does God have a name?
http://www.jw.org/en/publications/books/good-news-from-god/who-is-god/video-gods-name/
Who is the author of the Bible?
https://www.jw.org/en/publications/videos/#en/mediaitems/VODBibleTeachings/docid-502016852_1_VIDEO
Why study the Bible?
https://www.jw.org/en/jehovahs-witnesses/free-bible-study/video-why-study-the-bible/#?insight