International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
建筑師必須是遠見者和實用主義者。
一切的成功都依賴于直覺，即以一種事后證明是正確的方式看待事物的能力，盡管在當下無法確定。
The environment will appear different to different observers depending on what they are prepared to see.
The foundation of success is built on hard work and integrity, just like the strongest stone.