Psalm 39:1-6 RSV

1 To the choirmaster: to Jeduthun. A Psalm of David. I said, "I will guard my ways, that I may not sin with my tongue; I will bridle my mouth, so long as the wicked are in my presence."
2 I was dumb and silent, I held my peace to no avail; my distress grew worse,
3 my heart became hot within me. As I mused, the fire burned; then I spoke with my tongue:
4 "LORD, let me know my end, and what is the measure of my days; let me know how fleeting my life is!
5 Behold, thou hast made my days a few handbreadths, and my lifetime is as nothing in thy sight. Surely every man stands as a mere breath! [Selah]
6 Surely man goes about as a shadow! Surely for nought are they in turmoil; man heaps up, and knows not who will gather!