I'm only a four-dimensional creature. Haven't got a clue how to visualise infinity. Even Einstein hadn't. I know because I asked him

Finding the occasional straw of truth awash in a great ocean of confusion and bamboozle requires intelligence, vigilance, dedication, and courage. But if we don't practice these tough habits of thought, we cannot hope to solve the truly serious problems that face us --- and we risk becoming a nation of suckers, up for grabs by the next charlatan who comes along.

I also wish that the Pledge of Allegiance were directed at the Constitution and the Bill of Rights, as it is when the President takes his oath of office, rather than to the flag and the nation

In exchange for freedom of inquiry, scientists are obliged to explain their work.

Organic as a dandelion seed, [the ship of our imagination] will carry us to worlds of dreams and worlds of facts

And you are made of a hundred trillion cells. We are, each of us, a multitude.

I think if we ever reach the point where we think we thoroughly understand who we are and where we came from, we will have failed.