For Su Bai, his initial impression of cause and effect came from Lan Lin. At that time, Su Bai had not yet become a veteran, and the gap between him and Lan Lin's group was indeed very wide. However, the images of Lan Lin's hysteria and her suicide prior to the great fear of cause and effect lingered in Su Bai's mind.
But even without Lan Lin demonstrating the doctrine of "sex and educational enlightenment," Su Bai would probably not have studied cause and effect, because for Su Bai, the past and the future didn't hold much appeal. Su Bai was a very practical person, even more so than an old lady who would bargain for half a day at the market to save a few cents.
Perhaps this related to his upbringing. When you grow up watching paintings, when you grow up incubated in a culture medium, your past becomes numb and indifferent, and the future holds neither expectation nor fear. The only interest lies in living truly in the present.
