The only way to improve is to play against the best.

The pursuit of mathematical knowledge is a never-ending adventure, filled with challenges, surprises, and the satisfaction of solving the unsolvable.

I’m a very positive thinker, and I think that is what helps me the most in difficult moments.

The older I get， the more wisdom I find in the ancient rule of taking first things first—a process which often reduces the most complex human problem to a manageable proportion.