写作是一种勇气的行为。
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.
世界是一本书，不旅行的人只读了一页。
True leadership means having the courage to make unpopular decisions when they're the right ones.
科学的进步就像古老的沙漠小径，散落着被抛弃的理论的苍白骨架，这些理论曾经看似拥有永恒的生命。