今天种植的每一棵树都是留给后代的遗产。
Every tree planted today is a legacy for future generations.
The art of diplomacy is to understand desires of others and to find a way, where they think they get what they want.
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
所有发生过一次的事物都不会再发生。但是所有发生过两次的事物必定会第三次发生。
The most dangerous poison is the feeling of achievement. The antidote is to think every morning, 'What can be done better?'