The physiologist who succeeds in penetrating deeper and deeper into the digestive canal becomes convinced that it consists of a number of chemical laboratories equipped with various mechanical devices. – Ivan Pavlov
One learns little more about a man from the feats of his literary memory than from the feats of his alimentary canal. – Frank Moore Colby
The investigations also proved that there were many cases of spontaneous deviation, i.e. cases where there had been no stimulation of the semi-circular canal apparatus. – Robert Barany
I took the Canal Zone and let Congress debate; and while the debate goes on, the canal does also. – Theodore Roosevelt
