John Calvin Commentary Psalms 103:2

"Bless Jehovah, O my soul, And forget not all his benefits:" — Psalms 103:2 (ASV)

And forget not any of his benefits Here, he instructs us that God, for his part, is not lacking in providing us with abundant reasons to praise him. It is our own ingratitude that hinders us from engaging in this exercise. In the first place, he teaches us that the reason God acts so generously toward us is so that we may be led to celebrate his praise; but at the same time, he condemns our inconstancy, which diverts us to any other object rather than to God.

How is it that we are so apathetic and sluggish in performing this, the chief exercise of true religion? Is it not because our shameful and wicked forgetfulness buries in our hearts the innumerable benefits of God, which are clearly evident to heaven and earth? If we only remembered them, the prophet assures us that we would be sufficiently inclined to do our duty, since the only prohibition he places on us is not to forget them.