我从未怀疑过自己。

一种新的科学真理并不是通过说服其对手并让他们看到光明而取得胜利，而是因为其对手最终死去，一个熟悉它的新一代人成长起来。

商业中最强大的工具是信任。

When you have something to say, silence is a lie.

The United States has foolishly given Pakistan more than 33 billion dollars in aid over the last 15 years, and they have given us nothing but lies & deceit, thinking of our leaders as fools. They give safe haven to the terrorists we hunt in Afghanistan, with little help. No more!

"The pursuit of knowledge is not just a journey of the mind, but also of the heart."

I don’t want to be remembered just as a tennis player. I want to be remembered as a good person.