Psalms 76:5 The stouthearted are spoiled, they have slept their sleep: and none of the men of might have found their hands. (KJV ASV NAS RSV)
Psalms 138:3 When my cry came to your ears you gave me an answer, and made me great with strength in my soul. (See NIV)
Isaiah 46:12 Hearken unto me, ye stouthearted, that are far from righteousness: (KJV)