I'm always trying to grow and learn and better myself.

The laws of physics are universal, but our understanding of them is constantly evolving.

质量绝非偶然，它总是智慧努力的结果。

我们必须保持警惕，坚决与一切内外敌人作斗争。

你永远无法如你所愿那般彻底了解一个人。