Analogy cannot serve as proof.
The role of the infinitely small in nature is infinitely great.
In good philosophy, the word cause ought to be reserved to the single Divine impulse that has formed the universe.
Wine is the most healthful and most hygienic of beverages.
Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of inventions.
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.