我的音乐就是我的日记。

What you actually pay for something is at least twice the listed price because of the energy， time， money needed to set it up， learn， maintain， repair， and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.

The beauty of mathematics only shows itself to more patient followers.

The city is a school, and its buildings are the teachers.

数学是理性的音乐。

"世界是一面镜子，而镜子是一个谎言。"

Investors should focus on the long-term and not be swayed by short-term market fluctuations.

The boundary between physics and mathematics is not as clear-cut as we might think.