"The most successful men in the end are those whose success is the result of steady accretion. That intellectuality is more vigorous that has attained its strength gradually. It is the man who carefull…"

"The telephone is a great invention, but it is not for everyone."

"I begin my work at about nine or ten o'clock in the evening and continue until four or five in the morning. Night is a more quiet time to work. It aids thought."

"The greatest discovery of my life was the discovery of the value of hard work."

"A man's own judgement should be the final appeal in all that relates to himself."