Is it true that "all people who enter Zhu Zhechi are black"? If so, how to explain "a straight body is not afraid of a crooked shadow"?

Generally speaking, external factors have an influence on themselves, and the external environment is very important, which can subtly change the integrity of things, and it is said that internal factors determine the decisive factors for the development of things, and internal factors are the main reasons for the development of things, and those who are clean are self-clean! Taken together, the two can reflect philosophical views. The external cause is the condition, which works through the internal cause, which is the main factor that determines the development of things.