Rabban Gamliel, the son of R' Yehudah HaNasi, says: Torah study is good together with an occupation, for exertion of them both makes sin forgotten. All Torah study that is not joined with work will cease in the end, and lead to sin. All who exert themselves for the community should exert themselves for the sake of Heaven, for the merit of the [community's] forefathers aids them, and their righteousness will endure forever. Nevertheless, as for you, I [God] will bestow great reward upon you, as if you had accomplished it on your own.