The past is never dead. It's not even past.
It’s a lie to think you’re not good enough. It’s a lie to think you’re not worth anything.
The foundation of morality is sympathy for others.
In chemistry, as in life, the most transformative reactions often occur at the boundaries between disciplines.
梦想是变革的种子。没有种子,什么都不会生长;没有梦想,什么都不会改变。
The most important political challenge of our time is to create strong, effective, and accountable states.