The vegetarian who is appalled by the tiger that another animal, creation of God, as food used realizes that the lettuce which he/she eat also creation of God.
Jacob, the younger twin brother of Essau, which at the rivulet the Jabok with God moisture, just before he returned from exile to the promised land of his father and grandfather, wanted to let loose his attacker not, before he would know the name of his opponent.
Unfortunately, the God of Abraham and Isaac could not only mention the Earth, it also showed a fantasy (dream) too, because suddenly disappeared, after said to have that Jacob now Israel would welcome.
Jacob was actually very very afraid of the tigers, after such a long time, still with its much stronger older twin brother Village Invites to be confronted in the crossing of the border (the Jabok). The new name was to help him apparently not the confrontation with his brother out of the way to go.
The cunning, intelligent Jacob had expressed as the youngest are not place in the family does not want to know, and had already been years back a frontier, it was also the origin of the conflict between the two brothers.