A certain ounce of arrogance is not essential in carrying forward an idea. In talking about the device with others, surprising now number of people who either were quite negative and had reasons to suggest it would not function as described or claimed that it would be of little interest and no better than some already existing device.

Willard S. Boyle and George Elwood Smith describing The Inception of Charge-Coupled Devices, edited by Frederick Su (1990). Technology of our times: people and innovation in optics and optoelectronics. SPIE Press. p. 91. ISBN 0819404721.