The best performance improvement is the transition from the nonworking state to the working state.
When you believe in yourself, you can do anything.
生命中最伟大的荣耀不在于从未跌倒,而在于每次跌倒后都能站起来。
Life is a song, dance to it.
世界是残酷的,我的书反映了这一点。
The beauty of mathematics lies in its ability to describe the world in a precise and elegant way.