We are often influenced by example, especially by great men. David, by example, incites and excites us to wholeheartedly praise the Lord.
The excellences, majesty and works of God are set forth, and are of such greatness and wonder that they should be sought out and investigated by them who fear Him. His Name will be reverenced as a consequence, but also because redemption comes from Him, and that by covenant. The wise ones are those who fear the Lord, not with a cringing, craven obeisance, but with a reverential regard and honour. Such wisdom springs from the understanding of His word, and the practising of it.
1 Praise ye the Lord: with my whole heart