我这一代人最伟大的发现是人类可以通过改变态度来改变生活。

The most advanced machinery means nothing without skilled operators.

"The power of words is that they can change the world."

我不会让世界改变我的心。

Faith is the substance of things hoped for, the evidence of things not seen.

You don't have to be a mathematician to have a feel for numbers.