King James Version
Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour:English Standard Version
Be sober-minded; be watchful. Your adversary the devil prowls around like a roaring lion, seeking someone to devour.New International Version
Be self-controlled and alert. Your enemy the devil prowls around like a roaring lion looking for someone to devour.