| Satoru: | These are questions all teachers should ask . . . | 
| Melissa: | Perhaps, but maybe we need to accept the fact that nearly every lesson is less than perfect, and in a sense that's perfectly okay. | 
| Satoru: | (raising his eyebrows) If you're content with mediocrity, yes. Yet if you believe education is the most important human endeavor, how could we be less than conscientious? | 
| Liao: | (clearing his throat) Well, I think we often over-estimate the role of teachers. Our parents and peers are more important. | 
| Melissa: | There is a paradox at play: we must regard ourselves both lightly and seriously. On one hand, students will learn despite our infelicities. On the other hand, we're responsible for everything that we do . . . |