Religion.
There is no doubt that all three of these religions had much to do in moulding the character of the young in Japan, for in nearly every house of the reigning class were the books or emblems or symbols or idols of these three religions.
The school children had a god all to themselves, who was supposed to aid them in their study. This god was called "Ten-jin," or "Heavenly Man." As the boy desired to become a scholar, learned in the Chinese characters and an excellent penman, so he prayed to Ten-jin to help him in all these.