Albert Barnes Commentary Psalms 119:19

"I am a sojourner in the earth: Hide not thy commandments from me." — Psalms 119:19 (ASV)

I am a stranger in the earth - A wayfaring man; a pilgrim; a sojourner; a man whose permanent home is not in this world. The word is applicable to one who belongs to another country, and who is now merely passing through a foreign land, or sojourning there for a time. Compare the notes on (Hebrews 11:13). The home of the child of God is heaven. Here he is in a strange - a foreign - land. He is to abide here but for a little time, and then to pass on to his eternal habitation.

Hide not thy commandments from me - Make me know them; keep them continually before me. In this strange land, away from my home, let me have the comfort of feeling that your commands are always with me to guide me; your promises to comfort me. The feeling is that of one in a strange land who would desire, if possible, to keep up constant communications with his home - his family, his friends, his relatives there. On earth, the place of our sojourning - of our pilgrimage - the friend of God desires to have constant contact with heaven, his final home; not to be left to the desolate feeling that he is cut off from all contact with that world where he is forever to dwell.