According to Dr. A.R. Dykes of the British Institution of Structural Engineers 1976

THE ENGINEER'S CREED

"ENGINEERING IS THE ART OF MODELING MATERIALS WE DO NOT WHOLLY UNDERSTAND INTO SHAPES WE CANNOT PRECISELY ANALYZE SO AS TO WITHSTAND FORCES WE CANNOT PROPERLY ASSESS IN SUCH A WAY THAT THE PUBLIC HAS NO REASON TO SUSPECT THE EXTENT OF OUR IGNORANCE."