It is the man who carefully advances step by step...who is bound to succeed in the greatest degree.

Night is a more quiet time to work. It aids thought.

Leave the beaten track behind occasionally and dive into the woods. Every time you do you will be certain to find something you have never seen before.

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.

With every door that closes a new one opens.

Observe, Remember, Compare.

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