The first step in the art of cutting metals is to find a man who has the necessary skill and experience.
科学的进步不是一条直线，而是一系列曲折，有时在新的进展之前似乎会倒退。
In your life there are a few places, or maybe only the one place, where something happened, and then there are all the other places.
The act of creation is an act of transcendence.
My work is my observation of the world.
Tell your heart that the fear of suffering is worse than the suffering itself. And that no heart has ever suffered when it goes in search of its dreams, because every second of the search is a second's encounter with God and with eternity.