不要等待领导者；独自行动，人与人之间。

We don't just extract oil; we extract potential for economic growth and development.

The old believe everything; the middle-aged suspect everything; the young know everything.

International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.

乳制品养殖既是一门艺术，也是一门科学——要尊重两者。