"Memory is a fragile thing, easily distorted by time and emotion."

"A personality is a full Congress of orators and pressure-groups, of children, demagogues, communists, isolationists, war-mongers, mugwumps, grafters, prayer-meetings, spiritualists, and astrologers."

The march of invention has clothed mankind with powers of which a century ago the boldest imagination could not have dreamt.

The Langlands program is a framework for understanding the deeper structures of mathematics.

Every word is a choice, and every choice changes the world.

在心理学领域，正常与异常之间的界限往往是模糊和主观的。