Allan Kardec. The book of spirits (№ 396430)

Question: Since the vicissitudes of physical life are at once the redemption of past mistakes and challenge for the future, then does it follow that their nature is to judge the lifestyle that people led in a previous existence?
Answer: Very often, Yes; because each grounded in what he had sinned; however, this should not make absolute rules; the instinctive propensities and motivations are more a sure sign, because the tests undergone by the spirit, drawn to the past and to the future.