When one door closes, another one opens.

With every door that closes a new one opens.

The telephone will be used to inform people that a telegram has been sent.

First words on the first telephone - "Mr. Watson - come here - I want to see you."

One day there will be a telephone in every major city in the USA

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

The day will come when the man at the telephone will be able to see the distant person to whom he is speaking.