Therefore, prepare your minds for action,{Literally, "gird up the loins of your mind"} be sober and set your hope fully on the grace that will be brought to you at the revelation of Jesus Christ--
"In Israel an ordinary person wore as the basic garment a long, sleeveless shirt of linen or wool that reached to the knees or ankles. Over this mantle something like a poncho might be worn, although the mantle was laid aside for work. The shirt was worn long for ceremonial occasions or when at relative rest, such as talking in the market, but for active service, such as work or war, it was tucked up into a belt at the waist to leave the legs free (1 Kings 18:46; Jeremiah 1:17; Luke 17:8; John 21:18; Acts 12:8). Thus Peter’s allusion pictures a mind prepared for active work." [Note: Davids, p. 66. Cf. Exodus 12:11 LXX.] 