When you focus on doing what's right rather than what's easy, success follows naturally.
当你专注于做正确的事而非容易的事时，成功自然会随之而来。
The spread of liberal democracy and the integration of the world economy are the two most important trends of the modern era.
In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.
I am not an Athenian or a Greek，but a citizen of the world.
"The 21st century is oppressed by a crushing sense of finitude and exhaustion."
The pain is temporary, but the glory is forever.
我们对未来持乐观态度，但我们知道仅靠乐观是不够的。