We must be brave to face challenges and dare to break through ourselves.
The past is a foreign country; they do things differently there.
谦逊是科学家所能拥有的最大美德。
Writing is not just a profession; it is a way of life, a commitment to truth and beauty.
解析：吃粗粮，喝清水，弯起胳膊当枕头，这其中也有着乐趣。
I think that one should recognize the reality even when one doesn't like it; indeed, especially when one doesn't like it.