Charles H. Spurgeon on Psalms 119:25

According to thy word. What word doth David mean? Either the general promises in the books of Moses or Job; which intimate deliverance to the faithful observers of God's law, or help to the miserable and distressed; or some particular promise given to him by Nathan, or others. Chrysostom saith, "Quicken me according to thy word: but it is not a word of command, but a word of promise." Mark here, he doth not say secundum meritum meum, but, secundum verbum tuum;the hope, or that help which we expect from God, is founded upon his word; there is our security, in his promises, not in our deserving: Prommittendo se fecit debitorem, etc.

When there was so little Scripture written, yet David could find out a word for his support. Alas! in our troubles and afflictions, no promise comes to mind. As in outward things, many that have less live better than those that have abundance; so here, now Scripture is so large, we are less diligent, and therefore, though we have so many promises, we are apt to faint, we have not a word to bear us up. This word did not help David, till he had lain so long under this heavy condition, that he seemed dead. Many, when they have a promise, think presently to enjoy the comfort of it. No, waiting and striving are first necessary. We never relish the comfort of the promises till the creatures have spent their allowance, and we have been exercised. God will keep his word, and yet we must expect to be tried.

In this his dead condition, faith in God's word kept him alive. When we have least feeling, and there is nothing left us, the word will support us: "And being not weak in faith, he considered not his own body now dead, when he was about an hundred years old, neither yet the deadness of Sarah's womb: he staggered not at the promise of God through unbelief but was strong in faith, giving glory to God" (Romans 4:19-20). One way to get comfort is to plead the promise of God in prayer, Chirographa tua injiciebat tibi Domine, show him his handwriting; God is tender of his word. These arguments in prayer, are not to work upon God, but ourselves. Thomas Manton