Charles H. Spurgeon on Psalms 63:4

Thus will I bless thee while I live. As I now bless thee so will I ever do; or rather, so as thou shalt reveal thy lovingkindness to me, I will in return continue to extol thee. While we live we will love. If we see no cause to rejoice in our estate, we shall always have reason for rejoicing in the Lord. If none others bless God, yet his people will; his very nature, as being the infinitely good God, is a sufficient argument for our praising him as long as we exist. I will lift up my hands in thy name. For worship the hands were uplifted, as also in joy, in thanksgiving, in labour, in confidence; in all these senses we would lift up our hands in Jehovah's name alone. No hands need hang down when God draws near in love. The name of Jesus has often made lame men leap as a hart, and it has made sad men clap their hands for joy.