The folk religion was the religious emotion and psychology shared by mass people living at the bottom of society. The secret mass organizations were the folk organizations developing from the middle of Qing Dynasty. 民间宗教是生活在社会底层的广大民众共有或相通的宗教情感与心理,秘密结社是清中叶以来不断发展壮大的民间社会团体。
What's really bottom line importance here to the whole secret is feeling good. 关于这个秘密最重要的底线是:你一定要感觉好。