I am not an Athenian or a Greek，but a citizen of the world.

When you're depressed, It always helps to lean your head on your arm. Arms like to feel useful.

Economic policies should be evaluated based on their real-world impact.

如果我比别人看得更远，那是因为我站在巨人的肩上。

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.