“But there are still many unanswered questions. The halo that surrounds our Galaxy is one mystery region… The centre of the Galaxy hides even more secrets.”

“Your rights reach down where all owners meet, in Hell's
Pointed exclusive conclave, at earth’s centre
(Your spun farm's root still on that axis dwells);
And up, through galaxies, a growing sector.”

“The night is full of mystery. Even when the moon is brightest, secrets hide everywhere. Then the sun rises and its rays cast so many shadows that the day creates more illusion than all the veiled truth of the night.”

“Life is an unanswered question, but let's still believe in the dignity and importance of the question.”

“What Hubble discovered was the expansion of the universe…. We are not expanding. Nor is Brooklyn. Nor is earth. Nor is the solar system. Nor, in fact, is the Milky Way galaxy. Nor even those aggregates of thousands of galaxies that we call "galaxy clusters." These collections of matter are bound together by chemical and gravitational forces between their constituents—forces that are stronger than the force of expansion.”

“I can say this. I believe that the human mind, or even the mind of a cat, is more interesting in its complexity than an entire galaxy if it is devoid of life.”

“Sometimes our questions are better left unanswered.”

“I love space exploration; I think it is a great thing. What space exploration has done for mankind is to begin the process of realization that we are only one tiny centre in a huge solar system which itself is a tiny centre in a great galaxy, a fantastic Entity, which we call 'space.'”

“There’s as many atoms in a single molecule of your DNA as there are stars in the typical galaxy. We are, each of us, a little universe.”

“If such a thing had happened once, it must surely have happened many times in this galaxy of a hundred billion suns.”