I remember the days of old— i.e. "But still, upon a more sedate reflection, I consider not only what thou hast done for me during the persecutions of Saul; but also that long before, in my younger days, thou deliveredst me from the greatest dangers." See 1 Samuel 17:34; 1 Samuel 17:58.
Related Commentaries of Psalms 143:5
Psalms 143:5
5 I remember the days of old; I meditate on all thy works; I muse on the work of thy hands.