You don't see what you're seeing until you see it but when you do see it, it lets you see many other things.
William ThurstonThe real satisfaction from mathematics is in learning from others and sharing with others.
William ThurstonExperience has shown repeatedly that a mathematical theory with a rich internal structure generally turns out to have significant implications for the understanding of the real world, often in ways no one could have envisioned before the theory was developed.
William Thurston