Because God is truly glorious,
Psalms 115:1 Not unto us, O Yahweh, not unto us,but, unto thine own Name, give glory, concerning thy lovingkindness, concerning thy faithfulness. Psalms 115:2 Wherefore should the nations say, Pray where is their God? Psalms 115:3 When, our God, is in the heavens, Whatsoever he pleased, hath he done.
and idols are vanity,
Psalms 115:4 Their idols, are silver and gold, the works of the hands of men, Psalms 115:5 A mouth, have they, but they speak not, Eyes, have they, but they see not; Psalms 115:6 Ears, have they, but they hear not, A nose, have they, but they smell not: Psalms 115:7 Their hands! but they feel not, Their feet! but they walk not, No sound make they in their throat. Psalms 115:8 Like unto them, shall be they who make them, Every one who trusteth in them.
he exhorteth to confidence in God.
Psalms 115:9 O Israel! trust thou in Yahweh, Their help and their shield, is he! Psalms 115:10 O house of Aaron! trust ye in Yahweh, Their help and their shield, is he! Psalms 115:11 Ye that revere Yahweh! trust in Yahweh, Their help and their shield, is he!
God is to be praised for his blessings.
Psalms 115:12 Yahweh, hath remembered us, he will blessHe will bless the house of Israel, He will bless the house of Aaron; Psalms 115:13 He will bless them who revere Yahweh, the small with the great. Psalms 115:14 Yahweh multiply you, You, and your children. Psalms 115:15 Blessed are ye of Yahweh, who made the heavens and the earth: Psalms 115:16 As for the heavens, the heavens, belong to Yahweh, but the earth, hath he given to the sons of men. Psalms 115:17 The dead, cannot praise Yah, nor any that go down into silence; Psalms 115:18 But, we, will bless Yah, from henceforth even unto times age-abiding. Praise ye Yah.