He illustrates the former proposition, that he that can rule his tongue may rule his whole body, by two similitudes: the first, of an unruly horse, which yet, as wanton as he is, being curbed in with a bit, may be easily managed; intimating, that even so, if a man's tongue be well governed, the rest of the man will be under command.
Related Commentaries of James 3:3
James 3:3
3 Behold, we put bits in the horses' mouths, that they may obey us; and we turn about their whole body.