"I find myself hoping a total end of all the unhappy divisions of mankind by party-spirit, which at best is but the madness of many for the gain of a few."

"When you master your attention, you master your entire perception of reality."

"True wealth is not measured in gold, but in the belief that the most profound truths are found in silence."

"Some people will never learn anything, for this reason, because they understand everything too soon."

"Very few recognize science as the high adventure it really is, the wildest of all explorations ever taken by human beings, the chance to glimpse things never seen before, the shrewdest maneuver for discovering how the world works."

"Science Fiction is not just about the future of space ships travelling to other planets, it is fiction based on science and I am using science as my basis for my fiction, but it's the science of prehistory - palaeontology and archaeology - rather than astronomy or physics."

"Wherever men and women are persecuted because of their race, religion, or political views, that place must - at that moment - become the center of the universe."

"It's such a diversion to be constantly thinking of better ways I can teach people math that my hunger is for that really, for new ways of translating the beauty of it."