To be free is to have no choice.

I’m not afraid of dying, I’m afraid of not trying.

The truth is that parents are not really interested in justice. They just want quiet.

宇宙用方程式和反应说话。

海洋从四面八方包围着地球，而我们只居住在其中一小部分。

The true cost of fish should include the cost of keeping our oceans healthy.

自守表示的研究揭示了数域的隐藏对称性。

阅读不是眼睛的运动，而是大脑的运动。