理论计算机科学中的挑战不仅仅是解决问题，而是理解问题解决的本质。
The act of writing requires a constant plunging back into the shadow of the past where time hovers ghostlike.
知识最大的敌人不是无知，而是知识的幻觉。
Given the choice between the experience of pain and nothing, I would choose pain.
No society can surely be flourishing and happy， of which the far greater part of the members are poor and miserable.
Banks exist because they help mitigate problems created by information asymmetries.