Source: Computer-Aided Design: A Statement of Objectives (1960), p. 2.
“We must prove design before we can infer a designer.”
http://www.gutenberg.org/dirs/etext03/shly310.txt
Alternate: Design must be proved before a designer can be inferred. http://www.ratbags.com/rsoles/comment/shelleydeism.htm
The Necessity of Atheism (1811)
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Percy Bysshe Shelley 246
English Romantic poet 1792–1822Related quotes

“But the dreams of designing diplomats do not always prosper, and we must trust the future.”
Source: The Economic Consequences of the Peace (1919), Chapter IV, Section III, p. 105
Source: Object-oriented design: a responsibility-driven approach (1989), p. 74

“Many things difficult to design prove easy to performance.”
Source: The History of Rasselas, Prince of Abissinia (1759), Chapter 26
“Design can be art. Design can be aesthetics. Design is so simple, that's why it is so complicated.”

Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book VI, Chapter I, Sec. 1

“We are specially designed to appeal to the sense of humour.”
De Profundis (1897)