'Virtue' in the Bible

And Jesus, immediately knowing in himself that virtue had gone out of him, turned him about in the press, and said, Who touched my clothes?

And the whole multitude sought to touch him: for there went virtue out of him, and healed them all.

And Jesus said, Somebody hath touched me: for I perceive that virtue is gone out of me.

Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good report; if there be any virtue, and if there be any praise, think on these things.

According as his divine power hath given unto us all things that pertain unto life and godliness, through the knowledge of him that hath called us to glory and virtue:

And beside this, giving all diligence, add to your faith virtue; and to virtue knowledge;