"Let the future tell the truth,
and evaluate each one according to his work and accomplishments.
The present is theirs; the future,
for which I have really worked, is mine."
"The practical success of an idea, irrespective of its inherent merit,
is dependent on the attitude of the contemporaries.
If timely it is quickly adopted; if not,
it is apt to fare like a sprout lured out of the ground by warm sunshine,
only to be injured and retarded in its growth by the succeeding frost."
"I do not think there is any thrill that can go through the human heart
like that felt by the inventor as he sees some creation
of the brain unfolding to success... Such emotions make a man forget food,
sleep, friends, love, everything."
"Our virtues and our failings are inseparable, like force and matter.
When they separate, man is no more."
"Mutual understanding would be immensely facilitated
by the use of one universal tongue."