Nevertheless we made our prayer unto our God, and set a watch against them day and night, because of them. – Nehemiah 4:9

Nehemiah was well qualified for his work. He gave the Jews very shrewd, sensible, and yet spiritual advice, and this was a great help to them in their hour of need. Beloved, we have a better Leader than Nehemiah; we have our Lord Jesus Christ Himself, and we have His Holy Spirit, who dwells in us, and shall abide with us. I beg you to listen to His wise and good advice. I think that He will give it to you through our explanation of the text. He will say to you what Nehemiah, in effect, said to these people, “Watch and pray.” Although the adversaries of the Jews conspired together, and came to fight against Jerusalem, and to hinder the work of rebuilding the wall, Nehemiah says, “Nevertheless, we made our prayer unto our God, and set a watch against them day and night, because of them.” In the text, I see two guards; first, prayer: “We made our prayer unto our God.” The second guard is watchfulness: “We set a watch.” “We prayed, and we set a watch.” We must have them both, if we would defeat the enemy. ~ C.H. Spurgeon

https://www.blueletterbible.org/Comm/spurgeon_charles/sermons/2254.cfm