8. 8

• (p. 65) Furthermore, had it never occurred to us that the civil way to communicate with another being was by the front door instead of a side window? Atticus의 품격있는 언어
• (p. 66) Jem finally realized that he had been done in by the oldest lawyer's trick on record.
• (p. 68) Jem was not one to dwell on past defeats: it seemed the only message he got from Atticus was insight into the art of cross examination.
• (p. 72) Safely behind it, we gave way to numbness, but Jem's mind was racing: "We gotta get home, they'll miss us."
• I felt very proud of myself after solving 4 problems in a row. This made me try an adventurous attempt--which resulted in a failure.. It has something to do with the property of XOR and modulo operation, but couldn't think of the clear solution. The hard part of Problem Solving is that there isn't much to do in this situation. Not knowing a certain data structure or algorithm leads to an unable-to-solve problem. Mathematics problems have some similarity in this. If you don't know certain theses, a problem becomes a total maze. You can INVENT a brand new thesis, which is nearly impossible. I need broader knowledge and more experience..