"The most important thing is to keep on trying, to never give up."

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

"The deaf are not a race apart. They are a part of humanity."

"The telephone will be in every city, town, and village in the United States."

"Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus."