知识在心灵中以符号结构的形式表征。
"The cost of oblivious daydreaming was always this moment of return, the realignment with what had been before and now seemed a little worse."
量子傅里叶变换是量子计算的关键。
为儿童写作是一种责任——他们应该得到真相，即使真相很难。