If it be so, then what is the quantity of this happiness, or misery; and also what amount of good would be the cause of happiness. For the case of goodness and evil is just the same as with food, which does not give health, if taken in any quantity and at any time; but must be used in a specified quantity and at an appointed time. For this reason we find these limited in the religious laws. All this, or a greater part of it, cannot be known but by divine revelation, or at least a knowledge through it would be better. Again a perfect knowledge of God requires a knowledge of existent things. Then a law-giver must know the quantity of this knowledge which would be good to be imparted to the common people, and the method to be adopted in teaching them. All this, or at least a greater part of it, cannot be acquired by education, learning or philosophy. This can be clearly known from imparting learning, and especially the giving of laws, making regulations, and giving information
