And I will make thee unto this people a fenced brazen wall: and they shall fight against thee, but they shall not prevail against thee; for I am with thee to save thee and to deliver thee, saith the Lord. (Jeremiah 15:20)
Stability in the fear and faith of God will make a man like a wall of brass, which no one can batter down or break. Only the Lord can make such; but we need such men in the church, and in the world, but specially in the pulpit.
Against uncompromising men of truth this age of shams will fight tooth and nail. Nothing seems to offend Satan and his seed like decision. They attack holy firmness even as the Assyrians besieged fenced cities. The joy is that they cannot prevail against those whom God has made strong in His strength. Carried about with every wind of doctrine, others only need to be blown upon and away they go; but those who love the doctrines of grace, because they possess the grace of the doctrines, stand like rocks in the midst of raging seas.
Whence this stability? “I am with thee, saith the Lord”: that is the true answer. Jehovah will save and deliver faithful souls from all the assaults of the adversary. Hosts are against us, but the Lord of hosts is with us. We dare not budge an inch; for the Lord Himself holds us in our place, and there we will abide forever.
C.H. Spurgeon, Faith’s Checkbook