The greatest experiments are those that challenge what we think we know.

The Langlands program is a vision of the future of mathematics.

"Every book is a door to another world, a world that exists only in the imagination of the reader."

True leadership inspires others to achieve more than they thought possible.

The truth about the world, he said, is that anything is possible. Had you not seen it all from birth and thereby bled it of its strangeness it would appear to you for what it is, a hat trick in a medicine show, a fevered dream, a trance bepopulate with chimeras having neither analogue nor precedent, an itinerant carnival, a migratory tentshow whose ultimate destination after many a pitch in many a mudded field is unspeakable and calamitous beyond reckoning.