Song of Solomon 3:8
"They all hold swords, being expert in war: every man hath his sword upon his thigh because of fear in the night."
Cross References (ranked by relevance)
Psalm 45:3
Gird thy sword upon thy thigh, O most mighty, with thy glory and thy majesty.
Psalm 91:5
Thou shalt not be afraid for the terror by night; nor for the arrow that flieth by day;
Isaiah 27:3
I the LORD do keep it; I will water it every moment: lest any hurt it, I will keep it night and day.