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在數學中，你并不理解事物。你只是習慣了它們。

如果它不挑戰你，它就不會改變你。

I believe that the testing of the student's achievements in order to see if he meets some criterion held by the teacher, is directly contrary to the implications of therapy for significant learning.

The best science is done with both the head and the heart.

The world is full of stories, but the stories are all one.

善良是一種聾人能聽見、盲人能看見的語言。