- light is beauty
- one program one role
작고 단순하며 잘 정의된 단위들을 조합함으로써, 거대하고 복잡하며 다목적인 프로그램을 이용하는 것보다 쉽게 시스템을 설계
Text Is the Universal Interface - Scale
"This is the Unix philosophy: write programs that do one thing and do it well. Write programs to work together. Write programs that handle text streams, because that is a universal interface." - Douglas McIlroy Computer software came to maturity in the late 1960s.