Will opens the door to success, both brilliant and happy.

Analogy cannot serve as proof.

Inspiration is the impact of a fact on a well-prepared mind

My strength lies solely in my tenacity.

These are the living springs of great thoughts and great actions. Everything grows clear in the reflections from the Infinite.

The Greeks bequeathed to us one of the most beautiful words in our language--the word 'enthusiasm'--en theos--a god within. The grandeur of human actions is measured by the inspiration from which they spring. Happy is he who bears a god within, and who obeys it.

You bring me the deepest joy that can be felt by a man whose invincible belief is that Science and Peace will triumph over Ignorance and War, that nations will unite, not to destroy, but to build, and that the future will belong to those who will have done most for suffering humanity.