I don’t think of myself as a classical artist or a pop artist. I just think of myself as an artist who sings.

Without sacrifice, there is no freedom.

There is no shortcut to success, only down-to-earth efforts lead to long-term success.

Psychology must be independent of philosophy and physiology.

双重思想意味着在头脑中同时持有两种相互矛盾的信念，并接受它们两者。