Life is painting a picture，not doing a sum.

我从底层爬起来，但我没忘记起点。

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

A poet's words are the echoes of their soul.

释义：有了过错却不知道的人是被蒙蔽，迷失了方向还不返回的人是迷惑。这是对自知之明与迷途知返重要性的阐述。