1. For the Conductor, with instrumental music, a psalm by Asaph, a song.
2. God is known in Judah, His Name is great in Israel.
3. His Tabernacle was in Shalem,1 and His dwelling place in Zion.
4. There He broke the flying arrows of the bow, the shield, the sword and battle-forever.
5. You are illumination, mightier than the mountains of prey.

Tehillim Ohel Yoseph Yitzchok (Kehot Publication Society)

Tehillim is recited by Jewish people collectively and individually, as the desire occurs to offer praise and thanksgiving to G-d; or alternitavely, in times of crisis and need, as a form of supplication, and even as a venue to express regret for sin.

6. The stout-hearted were without sense, they slept their sleep, and all the warriors were unable to find their strength.
7. At Your rebuke, O God of Jacob, chariot and horse were stunned.
8. You, awesome are You! Who can stand before You once You are enraged.
9. From heaven You let the verdict be heard; the earth feared and was still,
10. when God rose to pass judgement, to save all the humble of the earth forever.
11. The anger of man will cause us to thank You;2 You will restrain the residue of wrath.
12. Make vows to the Lord your God and fulfill them; all who surround Him will bring tribute to the Awesome One.
13. He cuts down the spirit of nobles; He is awesome to the kings of the earth.