 But Rava taught that it is meritorious to say it in their presence (as they might think that if merely reciting the "Shema" twice daily earns reward, how great would the reward be for devoting more time to Torah study).Ben Damah the son of Rabbi Ishmael's sister once asked Rabbi Ishmael whether one who had studied the whole Torah might learn Greek wisdom.Rabbi Ishmael replied by reading to Ben Damah "This book of the law shall not depart out of your mouth, but you shall meditate therein day and night."