Not only do we live in the world of thought， but also in the world of matter.

Liberty is the fruit of thought.

The rise of a new great power is always a cause for concern among existing powers, as it threatens the existing balance of power.

Sustainability isn’t an option; it’s the only path forward.

任何心理活动的价值都以其对成功生活的贡献来衡量。

我不害怕风暴，因为我在学习如何驾驶我的船。

一切都是旧的。没有别的。曾经尝试过，曾经失败过。没关系。再试一次。再失败一次。失败得更好一点。