Scientific inquiry shouldn't stop just because a reasonable explanation has apparently been found.

As areas of knowledge grow, so too do the perimeters of ignorance.

Many people feel small because they're small and the universe is big, but I feel big.

Let us not fool ourselves into thinking we went to the Moon because we are pioneers, or discoverers, or adventurers. We went to the Moon because it was the militaristically expedient thing to do.

It's my duty to enlighten people.

Chimpanzees are an evolutionary hair's-width from us.... Now imagine a species on Earth, or anywhere else, as smart compared with humans as humans are compared with chimpanzees. How much of the universe might they figure out?

Facts are true whether or not you believe them.