盈利和责任不是对立的；它们是一枚硬币的两面。
If I fail, I try again, and again, and again. If YOU fail, are you going to try again? The human spirit can handle much worse than we realize. It matters HOW you are going to FINISH. Are you going to finish strong?
In the depth of winter, I finally learned that within me there lay an invincible summer.
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.