"I am opposed to the laying down of rules or conditions to be observed in the construction of bridges lest the progress of improvements tomorrow may be embarrassed or shackled by recording and deciding on rules based on the knowledge of today."
"The most important thing is to use your judgment, never follow orders blindly."
"Nothing is impossible to those who will try."
"I believe that the great height of the American engineers is not pyramids and cathedrals, but the long sum of little things."
"Fixed rules do not accord with the exigencies of our case."