The highest form of pure thought is in mathematics

The mathematics faculty were encouraging me to shift into mathematics as my major and explaining to me that it was not almost impossible to make a good career in America as a mathematician. So I... became officially a student of mathematics. And in the end I had learned and progressed so much in mathematics that they gave me an M.S. in addition to my B.S. when I graduated.

The Unreasonable Effectiveness of Mathematics in the Natural Sciences

Do not worry about your problems with mathematics, I assure you mine are far greater.

Math is like love -- a simple idea but it can get complicated.

The mathematical sciences particularly exhibit order, symmetry, and limitation; and these are the greatest forms of the beautiful.