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Problem-solving often requires restructuring one's mental representation of the situation.
I cannot live without books.
I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.
自私性是一种自爱,怜悯心是一种他爱。一个人想要得到他人的爱,他自己首先应具备爱人之心。
郦波在讲座中引用马克·吐温的话并加以阐释