In uncertain times, flexibility is more important than long-term planning.
科学不仅仅是事实的集合，而是一种思维方式。
It is one thing to show a man that he is in an error, and another to put him in possession of truth.
向一个人展示他在错误中是一回事，让他掌握真理是另一回事。
"You have to believe in yourself when no one else does—that makes you a winner right there."