1. Sing to the Lord a new song; sing to the Lord, all the earth.
2. Sing to the Lord, bless His Name; proclaim His deliverance from day to day.
3. Recount His glory among the nations, His wonders among all the peoples.
4. For the Lord is great and highly praised; He is awesome above all gods.
5. For all the gods of the nations are naught, but the Lord made the heavens.

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. Majesty and splendor are before Him, might and beauty in His Sanctuary.
7. Render to the Lord, O families of nations, render to the Lord honor and might.
8. Render to the Lord honor due to His Name; bring an offering and come to His courtyards.
9. Bow down to the Lord in resplendent holiness; tremble before Him, all the earth.
10. Proclaim among the nations, "The Lord reigns"; indeed, the world is firmly established that it shall not falter; He will judge the peoples with righteousness.
11. The heavens will rejoice, the earth will exult; the sea and its fullness will roar.
12. The fields and everything therein will jubilate; then all the trees of the forest will sing.
13. Before the Lord [they shall rejoice], for He has come, for He has come to judge the earth; He will judge the world with justice, and the nations with His truth.