Sometimes we stare so long at a door that is closing that we see too late the one that is open.
The great advantage [the telephone] possesses over every other form of electrical apparatus consists in the fact that it requires no skill to operate the instrument.
Leave the beaten track behind occasionally and dive into the woods.
The telephone will be used to inform people that a telegram has been sent.
Night is a more quiet time to work. It aids thought.
First words on the first telephone - "Mr. Watson - come here - I want to see you."