"Thus, like the revolutions of a wheel, there is a regular succession of death and birth, the moral cause of which is the cleaving to existing objects, while the instrumental cause is karma (the power which controls the universe, prompting it to activity), merit and demerit. “It is, therefore, the great desire of all beings who would be released from the sorrows of successive births to seek the destruction of the moral cause, the cleaving to existing objects, or evil desire.” p. 346, Part II, Religion"
January 1, 1970
https://en.wikiquote.org/wiki/Reincarnation