Deuteronomy 20:3

3and shall say to them, ‘Hear, O Israel, today you are drawing near for battle against your enemies: let not your heart faint. Do not fear or panic or be in dread of them,

1 Samuel 17:32

32And David said to Saul, a“Let no man’s heart fail because of him. bYour servant will go and fight with this Philistine.”
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