The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

我不让错误让我灰心，我让它们教育我。

Every stone we extract tells a story of perseverance and precision.

The most profound discoveries often come from the simplest observations.

怀疑只能由行动来回答。

对抗压力的最大武器是我们选择一种思想而不是另一种思想的能力。

生存的关键是准备。了解你的环境并为任何事情做好准备。