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天才等于百分之一的靈感，加百分之九十九的汗水。

遺傳什么都不是，環境才是一切。

"I always try to find the extraordinary in the ordinary."

There's a tendency to think that our present politicians are much worse than we had in the past.But we tend to forget how awful our politicians were in the past.

To understand is to know what causes what.

Leadership is about making tough decisions today that will benefit generations tomorrow.