Chaos isn't a pit. Chaos is a ladder. 
小说的真实不在于它是否发生过,而在于它是否可能发生。
数学不是关于数字、方程、计算或算法的:它是关于理解的。
The footsteps of Nature are to be traced, not only in her ordinary course, but when she deviates from it in her most extravagant excursions.