The best books ask questions, not just give answers.

The only way to make sense out of change is to plunge into it, move with it, and join the dance.

出自北齐·颜之推《颜氏家训·勉学》。不管是愚人还是聪明人，总想自己见多识广，但不肯读书，这就等于想吃饱饭却懒得做饭，想穿暖却懒得缝制衣服。