Dodecahedron: Shape of the Universe: Heck yes!

"The significant problems we have cannot be solved at the same level of thinking with which we created them."

"We used to think that if we knew one, we knew two, because one and one are two. We are finding that we must learn a great deal more about 'and.'"

- Sir Arthur Eddington

"I believe it is an established maxim in morals that he who makes an assertion without knowing whether it is true or false is guilty of falsehood, and the accidental truth of the assertion does not justify or excuse him."

- Abraham Lincoln

"It is the mark of an educated mind to be able to entertain a thought without accepting it."

- Aristotle

"The difficulty lies not so much in developing new ideas as in escaping from old ones."

- John Maynard Keynes

"One man with courage makes a majority."

- Andrew Jackson

"A stupid man's report of what a clever man says can never be accurate, because he unconsciously translates what he hears into something he can understand."

- Bertrand Russell

"When I tell any truth it is not for the sake of convincing those who do not know it, but for the sake of defending those who do."

- William Blake

"Judge of a man by his questions rather than by his answers."

- Voltaire

"But what is strength without a double share of wisdom?"

- John Milton

"We don't see things as they are, we see them as we are."

- Anais Nin

"The price good men pay for indifference to public affairs is to be ruled by evil men."

- Plato

"How much easier it is to be critical than to be correct."