孔子说：“我曾整天不吃、整夜不睡，来思考。结果没好处，还不如学习。”

The idea of a margin of safety, a Graham precept, will never be obsolete. The idea of making the market your servant will never be obsolete. The idea of being objective and dispassionate will never be obsolete.

出自《道德经》，忘语在作品中引用，表达天地无情的世界观。