当心碌碌无为的生活。

沉默是唯一不会被误解的语言。

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.

Every mathematical theorem is a story, a narrative that unfolds through logic and reason, leading to a deeper understanding of the world.

模型是对现实的简化表示，但其价值在于它能够提供不立即显而易见的见解。