Deuteronomy 20:6

2It shall be, when you draw near to the battle, that the priest shall approach and speak to the people,

3and shall tell them, “Hear, Israel, you draw near today to battle against your enemies. Don’t let your heart faint! Don’t be afraid, nor tremble, neither be scared of them;

4for the LORD your God is he who goes with you, to fight for you against your enemies, to save you.”

5The officers shall speak to the people, saying, “What man is there who has built a new house, and has not dedicated it? Let him go and return to his house, lest he die in the battle, and another man dedicate it.

6What man is there who has planted a vineyard, and has not used its fruit? Let him go and return to his house, lest he die in the battle, and another man use its fruit.

7What man is there who has pledged to be married to a wife, and has not taken her? Let him go and return to his house, lest he die in the battle, and another man take her.”

8The officers shall speak further to the people, and they shall say, “What man is there who is fearful and faint-hearted? Let him go and return to his house, lest his brother’s heart melt as his heart.”

9It shall be, when the officers have finished speaking to the people, that they shall appoint captains of armies at the head of the people.

10When you draw near to a city to fight against it, then proclaim peace to it.