The right of a nation to kill a tyrant in case of necessity can never be doubted until the right of a tyrant to kill a nation has been proved.

有两样东西，人们越是经常持久地对之凝神思索，它们就越是使内心充满常新而日增的惊奇和敬畏：我头上的星空和我心中的道德律。

The success of everything depends on intuition, the capacity of seeing things in a way which afterwards proves to be true, although it cannot be established at the moment.

Diplomacy requires strategic and long-term thinking to achieve a country's long-term interests and security.