Women have been taught that, for us, the earth is flat, and that if we venture out, we will fall off the edge. – Author Unknown

Every great advance in science has issued from a new audacity of imagination. – John Dewey, The Quest for Certainty, 1929

Columbus had all the spirit of a crusader, and, at the same time, the investigating nature of a modern man of science. – Edmund Arthur Helps

A ship in harbor is safe, but that is not what ships are built for. – John A. Shedd, Salt from My Attic, 1928