The errors which arise from the absence of facts are far more numerous and more durable than those which result from unsound reasoning respecting true data.
Charles Babbage
If an engineer has not had some failures, it is merely evidence that his practice has not been sufficiently extensive.
Benjamin Baker
Aren’t the genuine functions of strength always in keeping with unwritten conditions of harmony?
Gustave Alexandre Eiffel
If you're doing something the same way you have been doing it for ten years, the chances are you are doing it wrong.
Charles Kettering
By failing to prepare, you are preparing to fail.
Benjamin Franklin
No plan survives contact with reality. (Inspired by “No plan survives the first enemy contact”)
Helmuth von Moltke
With small blows you also fall big trees.
Benjamin Franklin
I hate vacations. If you can build buildings, why sit on the beach?
Philip Johnson
Experience is called the sum of all our mistakes.
Thomas Alva Edison
The genius of a construction lies in its simplicity. Everyone can build complex.
Sergei P. Koroljow