This document summarizes a reaction paper by Heng Sy Hua about an article by Frank Lloyd Wright titled "In the Cause of Architecture" from 1908. Wright argues that architecture should use nature as guidance rather than cling to past practices without understanding how buildings relate to their organic environment. He proposes that simplicity, individualism where people can express themselves, and allowing buildings to grow from their sites by using elements like gentle roof slopes and low proportions are key. Wright believes architecture should not follow trends but preserve lasting value. The paper gives examples like Beijing National Stadium that portray Wright's views by deriving organic shapes from nature and using materials like bare steel to maintain originality. In conclusion, the author agrees with Wright that designing buildings based on