实现明天的唯一限制将是我们今天的疑虑。
I live for the moments when I can do something that nobody else can do.
Understanding a problem is half the solution.
The soul becomes dyed with the color of its thoughts.
As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.
我这一代人最伟大的发现是，一个人可以通过改变态度来改变他的生活。
"Every failure is a stepping stone to success, provided we learn from it."
La plus grande preuve d'amour, c'est le sacrifice.
我们讲给自己的故事和别人讲我们的故事同样重要。