Allan Kardec. The book of spirits (№ 397440)

Question: People of their own free will and their actions can make it so that events that should happen did not happen, and Vice versa?
Answer: He can do it, if this seeming deviation is included in the life he has chosen. Then, he can to do good, as it should be, and since this is the only meaning of life, he can prevent evil, especially that which could facilitate even greater evil.