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I’m positive that in 100 years much of what I take to be true today will be proved to be wrong， maybe even embarrassingly wrong， and I try really hard to identify what it is that I am wrong about today.

I stand up for what I believe in, and I don’t worry about what other people think.

Life is full of possibilities, death is final.

"The world is a book, and those who do not travel read only one page."

Science is not just about finding answers, but also about asking the right questions.