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。