过去是一个异国他乡；他们在那里做事的方式不同。
The past is a foreign country; they do things differently there.
"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."
记忆既是我们的监狱，也是我们通往自由的唯一道路。
科学家价值的真正衡量标准不在于所获得的荣誉，而在于他们的工作对世界的影响。