行为恭敬，待人宽厚，处事平和，心意正直，学圣贤之道，选择良友以求有益身心，改进缺点以求完满。

My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work.

The past is a foreign country; they do things differently there.

任何圆的周长与其直径的比率小于3 1/7但大于3 10/71。

Speech is a kind of action， and our words are the tools we use to perform it.

Sustainability isn’t a trend; it’s the only way forward.