"You cannot force ideas. Successful ideas are the result of slow growth. Ideas do not reach perfection in a day, no matter how much study is put upon them. It is perseverance in the pursuit of studies …"

"The true inventor is not the one who first conceives an idea, but the one who brings it to fruition."

"When one door closes another door opens; but we so often look so long and so regretfully upon the closed door, that we do not see the ones which open for us."

"If it is not necessary, it is obviously not advisable, that deaf children should acquire, and use, as their ordinary and habitual means of communication — their vernacular in fact — a language that is…"

"The inventor is a man who looks at the world and is not contented with things as they are. He wants to improve them."