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A false conclusion once arrived at and widely accepted is not easily dislodged and the less it is understood the more tenaciously it is held.

To ask the right question is harder than to answer it.

Great innovation only happens when people aren't afraid to do things differently.

In Mathematics the art of proposing a question must be held of higher value than solving it.

The essence of mathematics lies precisely in its freedom.

A set is a Many that allows itself to be thought of as a One.

Don't always blindly follow guidance and step-by-step instructions; you might run into something interesting.

In mathematics, the art of asking questions is more valuable than solving problems.

My beautiful proof lies all in ruins.

There is no doubt that we cannot do without variable quantities in the sense of the potential infinite. But from this very fact the necessity of the actual infinite can be demonstrated.

The good thing about democracy is that every vote counts. The problem with democracy is that every vote counts.

I don't accept defeat as final. Only death is final - and even then I hope for a reprieve.

All businesses and jobs depend on a vast number of people, often unnoticed and unthanked, without which nothing really gets done. They are all human and deserve respect and gratitude.

I'd love to design stuff that I'd like to wear and that other people could wear, too.

Dr. Birdsell, my dramatic coach in school, always said that I was the most melancholy Dane that he had ever directed.

You can't be said to make a choice when you only have one option.

Attack each day with an enthusiasm unknown to mankind.

To the believer Marxism presents, first, a system of ultimate ends that embody the meaning of life and are absolute standards by which to judge events and actions.

I hate running. I know I'm curvier - I know I'm small, but I'm not ripped. But I make a choice to be that way. I realize my arms aren't as toned as Halle Berry's but I don't want them to be.

It is extremely ironic that the more we care about what people think about us the less we care about people, and the less we care about what people think about us the more we begin to care for others