To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.
Every tree planted today is a promise to tomorrow.
在科学中，重要的不是获得新的事实，而是发现新的思考方式。