It’s on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.
正是通过观察和反思的力量，人们才能找到方法。所以我们必须不断地挖掘和钻研。
科学的遗产是人类的进步。
Writing is the only thing that, when I do it, I don't feel I should be doing something else.
共产主义理论可以用一句话来概括：废除一切私有财产。
The key to understanding life is to understand the interactions between its components.
