6973. 'And so it will be, if they do not believe even these two signs' means if they possessed no faith at all that such things would come about. This is clear from the meaning of 'believing' as being in possession of faith - the kind of faith meant in the spiritual sense - dealt with above in 6970; and from the meaning of 'the two signs' as people who think on a sensory and bodily level and then become profaners of truth, which things are meant by 'the serpent' made from the rod thrown by Moses onto the earth, 6971, and by his 'hand' made leprous when he put it into his bosom, 6963. Thus 'not believing these two signs means possessing no faith at all that such things will come about.