Mankind which began in a cave and behind a windbreak will end in the disease-soaked ruins of a slum.

Summary

This quote suggests that humanity, which originated as primitive beings seeking shelter and protection, will ultimately face its downfall and demise due to the inescapable consequences of urbanization and the decay of society. It implies that the progress and advancements achieved by mankind will eventually lead to their self-destruction, as symbolized by the diseased and deteriorated conditions of a slum. Overall, the quote serves as a cautionary reflection on the potential negative trajectory of human civilization.