'Mighty' in the Bible

Bows of the mighty are broken, And the stumbling have girded on strength.

The feet of His saints He keepeth, And the wicked in darkness are silent, For not by power doth man become mighty.

And there is a man of Benjamin, and his name is Kish, son of Abiel, son of Zeror, son of Bechorath, son of Aphiah, a Benjamite, mighty of valour,

And the war is severe against the Philistines all the days of Saul; when Saul hath seen any mighty man, and any son of valour, then he doth gather him unto himself.

And one of the servants answereth and saith, 'Lo, I have seen a son of Jesse the Beth-Lehemite, skilful in playing, and a mighty virtuous man, and a man of battle, and intelligent in word, and a man of form, and Jehovah is with him.'