We've learned that change is necessary for growth.

When you do something best in life, you don’t really want to give that up – and for me it’s tennis.

随着数据的增长，管理它的复杂性也在增加。挑战在于保持系统的简单和高效。

一切幸福都绝非没有忧虑和烦恼，而一切逆境也绝非没有慰籍与希望。