Likewise the Spirit also helpeth our infirmities: for we know not what we should pray for as we ought: but the Spirit maketh intercession for us with groanings which cannot be uttered. – Romans 8:26

Brethren, the Lord Jesus knew that after we were saved from the damning power of sin, we should always be full of wants, and therefore He was moved with compassion, and He sets up the throne of grace, the mercy-seat, to which we may always come, and from which we may always obtain grace to help in time of need. Helped by His Spirit, we can bring what petitions we will, and they shall be heard. And then, since He knew we could not pray as we ought, He was moved with compassion when He sent the Holy Spirit to help our infirmities, to teach us how to pray. Now I do not know a single infirmity that I have or that you have, my Christian brother, but what Christ Jesus has been moved with compassion about it, and has provided for it. He has not left one single weak point of which we have to say, “There I shall fail, because He will not help there”; but He has looked us over and over from head to foot, and said, “You will have an infirmity there: I will provide for it. You will have a weakness there: I will provide for it.” And oh! how His promises meet every case! Did you ever get into a corner where there was not a promise in the corner too? Had you ever to pass through a river but there was a promise about His being in the river with you? Were you ever on the sick bed without a promise like this, “I will make thy bed in thy sickness?” In the midst of pestilence have not you found a promise that “He shall cover thee with His feathers, and under His wings shalt thou trust?” The Lord’s great compassion has met the wants of all His servants to the end.

Oh! what a guardian Saviour is the Lord Jesus Christ to us, and how we ought to bless His name at all times, and how His praise should be continually in our mouth. ~ C.H. Spurgeon

https://www.blueletterbible.org/Comm/spurgeon_charles/sermons/3438.cfm