Programs must be written for people to read, and only incidentally for machines to execute.

— Abelson & Sussman, Structure and Interpretation of Computer Programs

Source: https://web.archive.org/web/20180427140749/https://mitpress.mit.edu/sites/default/files/sicp/full-text/book/book-Z-H-7.html#%_chap_Temp_4

From the preface to the first edition of Structure and Interpretation of Computer Programs.

Topics: software design