You are never too old to set another goal or to dream a new dream.

The future of liberal democracy depends on its ability to reform itself and address the legitimate grievances of those who feel left behind by globalization and technological change.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

凡是现实(存在)的就是合理的，凡是合理(存在)的就是现实的。