False facts are highly injurious to the progress of science, for they often endure long.  
Love is the most powerful force in the world.
I always tell people, if you want to be successful, find someone who has achieved the results you want and copy what they do and you'll achieve the same results.
Every tyrant who has lived has believed in freedom--for himself.
我不害怕跌倒,因为我知道我会重新站起来。