在物理学中，近似的艺术往往比追求精确解更重要。

To say 'I love you' one must first be able to say the 'I'.

We must advance the energy revolution with greater determination and intensity, accelerating the establishment of a clean, low-carbon, safe, and efficient energy system.

生活的悲剧不是美好的事物早逝，而是它们变老和变得卑鄙。

自然是最好的建筑师导师。