The weight of history is unbearable, yet we must carry it.
历史的重量是无法承受的,但我们必须承担它。
The only limit to our realization of tomorrow will be our doubts of today.
一个不重视知识分子的社会注定会失败。
最好的建筑是那些在使用中消失的建筑。
The biographer's challenge is to be both a detective and a poet.