1
“The greatest quest in all science.”

2
“Our goal is nothing less than a complete
description of the universe we live in.”

3
“You shouldn’t believe everything you read.”

4
“The big question was, Was there a beginning or not?”

5
“Black hole explosions?”

6
“Was it all just a lucky chance?”

7
“In all my travels, I have not managed
to fall off the edge of the world.”

8
“It’s turtles all the way down.”

9
“The field of baby universes is in its infancy but growing fast.

10
“Is the end in sight for theoretical physics?”

Addendum (In British edition only)
“An expanding horizon of possibilities.”