在外交中，信任是一个更宝贵的货币，而不是金钱。
In foreign policy, the currency of trust is more valuable than gold.
我们必须建立一个既能保护公民又不与世界隔绝的欧洲。
没有内容的思想是空洞的，没有概念的直觉是盲目的。
I have noticed that youngsters given to the climbing habit usually do something when they grow up.
"Every discovery is a step closer to understanding the universe."
The outer world is a reflection of the inner world.
The duty of man is the same in respect to his own nature as in respect to the nature of all other things.
生活是关于旅程，而不是目的地。