Alexander Graham Bell — "There are two critical points in every aerial flight - its beginning and its end…"

"The telephone may be used for the transmission of speech, music, and other sounds, but its principal use will be for communication between individuals."

"Great discoveries and improvements invariably involve the cooperation of many minds."

"The telephone will revolutionize communication."

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

"What this power is I cannot say; all I know is that it exists and it becomes available only when a man is in that state of mind in which he knows exactly what he wants and is fully determined not to g…"