【释义】：求学就像种树一样，春天赏玩它的花朵，秋天才能收获果实。
"The past is never dead. It's not even past."
唯一确定的是不确定性。
The writer must have the courage to say what others dare not say.
制革厂的遗产应以其对环境的守护来衡量。
科学人应当没有愿望、没有情感，只剩一颗如石之心。
The most important victories are the ones that come after the toughest defeats.
