唯一能阻止你的人是你自己。
变化是宇宙中唯一不变的东西。
当我们仅用板英尺来衡量森林的成功时，我们就只见树木不见森林了。
Make women rational creatures, and free citizens, and they will quickly become good wives; — that is, if men do not neglect the duties of husbands and fathers.
In the vastness of the cosmos, we are but a speck, yet our curiosity knows no bounds.
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?