In spite of these great marks of favor to Moses, the people still perceived the difference between the first two commandments, which they heard directly from God, and those that they learned through Moses' intercession. For when they heard the words, "I am the Eternal, thy Lord," the understanding of the Torah became deep-rooted in their hearts, so that they never forgot what they thus learned. But they forgot some of the things Moses taught, for as man is a being of flesh and blood, and hence ephemeral, so are his teachings ephemeral. They hereupon came to Moses, saying: "O, if He would only reveal Himself once more! O that once more He would kiss us with the kisses of His mouth! O that understanding of the Torah might remain firm in our hearts as before!" Moses answered: "It is no longer possible now, but it will come to pass in the future world, when He will put His law in their inward parts, and write it in their hearts." Israel had another reason for regretting the choice of an intermediator between themselves and God. When they heard the second commandment: "Thou shalt have no strange gods beside Me," the evil impulse was torn out from their hearts. But as soon as they requested Moses to intercede for them, the evil impulse set in once more in its old place. In vain, however, did they plead with Moses to restore the former direct communication between them and God, so that the evil impulse might be taken from them. For he said: "It is no longer possible now, but in the future world He will 'take out of your flesh the stony heart.'" [243] Although Israel had now heard only the first two commandments directly from God, still the Divine apparition had and enormous influence upon this generation. Never in the course of their lives was any physical impurity heard of among them, nor did any vermin succeed in infesting their bodies, and when they died, their corpses remained free from worms and insects. [244] MOSES AND THE ANGELS STRIVE FOR THE TORAH