The most important political development of the last half century has been the spread of liberal democracy around the world.
I always think about how to make batteries safer and more efficient.
Words can be both wounds and bandages.
成功最美好的事情就是能夠分享它。
There is no such thing as a moral or an immoral book. Books are well written, or badly written. That is all.
你必須忠于自己和自己的愿景。
Everyone wants a better life: very few of us want to be better people.