"Don't keep forever on the public road, going only where others have gone, and following one after the other like a flock of sheep. Leave the beaten track occasionally and dive into the woods. You'll b…"

"Wherever you may find the inventor, you may give him wealth or you may take from him all that he has; and he will go on inventing. He can no more help inventing than he can help thinking or breathing."

"I am a man of science, and I believe in the power of observation and experimentation."

"The deaf should not intermarry."

"I have always been a firm believer in the power of hard work and perseverance."