Major Writings of Nichiren Daishonin, Vol. 1, page 149.Those who believe in the Lotus Sutra are as if in winter, which never fails to turn into spring. Never have I seen or heard of winter turning into autumn. Nor have I ever heard of any believer in the Lotus Sutra who remained a common mortal. A passage from the sutra reads, "Among those who hear of this Law, there is not one who shall not attain Buddhahood."