The only thing I can rely on is my own perception, and that is always changing.
数学的研究就像空气或重力——它无处不在,你看不到它,但你知道它在那里。
永远不要停止学习——世界一直在变化。
优秀和卓越之间的区别在于额外的努力。
"Love is the extremely difficult realization that something other than oneself is real."