The beauty of a physical theory lies not only in its mathematical elegance but also in its ability to explain and predict phenomena.
物理理论的美不仅在于其数学的优雅，还在于其解释和预测现象的能力。
Retire into yourself and ask yourself this question: Must I write？ If the answer is yes， then you must keep writing.
"The most beautiful thing we can experience is the mysterious. It is the source of all true art and science."
【释义】世界上一切都是次要的，只有读书最重要、最高尚。