Do you not see the cow of the children of Israel, bright yellow in colour, with no blemish on it, so the dead are revived with it, and it is the greatest of the effects, reviving the dead, the life of faith, the life of knowledge, and the life of the senses, and its greatest effect is in the time of winter, if the month of Safar falls in it from the beginning of winter until its middle, so it has a quicker effect than in the rest of the world. And we said this because it may appear to a people with one of the types of what we mentioned of these types of wear. If it appeared in one type, we would introduce it to you and limit ourselves to it .