Great are those two gifts, wisdom and continence: wisdom, forsooth, whereby we are formed in the knowledge of God; continence whereby we are not conformed to this world.
Once one is caught up into the material world not one person in ten thousand finds the time to form literary taste, to examine the validity of philosophic concepts for himself, or to form what, for lack of a better phrase, I might call the wise and tragic sense of life.
The development of quantum mechanics early in the twentieth century obliged physicists to change radically the concepts they used to describe the world.