Moreover, the good fortune, benefit, and joy we gain through living in accord with the eternal Law [of Nam-myoho-renge-kyo] are not temporary. In the same way that trees steadily add growth rings with each passing year, our lives accumulate good fortune that will endure throughout the three existences of past, present, and future.

From The Wisdom for Creating Happiness and Peace, part 1, revised edition, p. 36