悲观主义者在每个机会里看到困难。乐观主义者在每个困难里看到机会。
Doubt is not a pleasant condition, but certainty is an absurd one.
"I see everything. That is my problem."
If you're going to try, go all the way. Otherwise, don't even start.
在探索现实的基本性质的追求中,我们必须准备好质疑我们认为我们所知道的一切。
Collaboration across borders is key to solving global health challenges.