Cryptography has generated number theory, algebraic geometry over finite fields, algebra, combinatorics and computers.

Celestial mechanics is the origin of dynamical systems, linear algebra, topology, variational calculus and symplectic geometry.

Mathematics is a part of physics. Physics is an experimental science, a part of natural science. Mathematics is the part of physics where experiments are cheap.

The existence of mysterious relations between all these different domains is the most striking and delightful feature of mathematics (having no rational explanation).

Hydrodynamics procreated complex analysis, partial differential equations, Lie groups and algebra theory, cohomology theory and scientific computing.

Courage promotes leaders

You shall not be afraid of the adversary. God will be your strong fortress.

Security is not a license for people in authority to hide the tactics they would never openly admit to using.

Economically, it’s more expensive to make movies. I hope digital movies change that.

I was thinking about naming my child Kanye.

In the pursuit of knowledge, follow it wherever it is to be found; like fern, it is the produce of all climates, and like coin, its circulation is not restricted to any particular class.

That one individual should awaken in another memories that belong to still a third is an obvious paradox.

Human beings remain constant in their methods of conduct.

Think of the egotism of a man who believes that an infinite being wants his praise!

I will trust and not be afraid.