人生太重要，不能严肃地谈论它。
Life is far too important a thing ever to talk seriously about.
天空不是极限；它是开始。
The only real knowledge is self-knowledge.
而是根据国家的具体情况,去掉那些无益于实用的东西,这就足够使国家的财利增加一倍了。
最好的建筑既是永恒的，又是及时的。
In the quest for understanding the fundamental nature of reality, we must be prepared to question everything we think we know.