Starting in the seventeenth century, the general theory of extreme values - maxima and minima - has become one of the systematic integrating principles of science.

For scholars and laymen alike it is not philosophy but active experience in mathematics itself that can alone answer the question: What is mathematics?

Calculus is the outcome of a dramatic intellectual struggle which has lasted for twenty-five hundred years.

Mathematics as an expression of the human mind reflects the active will, the contemplative reason, and the desire for aesthetic perfection.

With an absurd oversimplification, the "invention" of calculus [method in mathematics] is sometimes ascribed to two men, Newton and Leibniz.

Euler - The unsurpassed master of analytic invention.

It becomes the urgent duty of mathematicians, therefore, to meditate about the essence of mathematics, its motivations and goals and the ideas that must bind divergent interests together.

Competition in business is a blessing, for without it, we wouldn't be motivated to improve.

But part of surviving is being able to move on.

God is like a mirror. The mirror never changes but everybody who looks at it sees something different.

I want to create an economy where minimum wage is a very brief stepping stone to higher-paying jobs so people can realize their dreams.

A two-and-a-half-year-old is pretty experienced at making a mess, anyway.

I come from the school of thought that says when people have more money in their pocket during economic times, it increases demand or investment. Small businesses begin to grow, and jobs are added.

I didn't talk to anybody and say, "I'm going to do a speech, do you go some ideas?" This is something I did on my own because I care very deeply about the country.

In the managerial organization, the top people sit in judgment; in the innovative organization it is their job to encourage ideas, no matter how unripe or crude.

We must let this town square, which has added a significant dimension to our political process, continue to flourish.

Our Creator shall continue to dwell above the sky, and that is where those on earth will end their thanksgiving.