I assert that the cosmic religious experience is the strongest and the noblest driving force behind scientific research.

Berlin is the place to which I am most closely bound by human and scientific ties.

Each makes this cosmos and its construction the pivot of his emotional life, in order to find in this way peace and security which he can not find in the narrow whirlpool of personal experience.

While it is true that an inherently free and scrupulous person may be destroyed, such an individual can never be enslaved or used as a blind tool.

It is just as important to make knowledge live and keep it alive as to solve specific problems.

You cannot love a car the way you love a horse. The horse brings out human feelings the way machines cannot do. Things like machines may develop or neglect certain things in people ... Machines make our life impersonal and stultify certain elements in us and create an impersonal environment.

The genius is in making the complex simple.