"The worst enemy of truth is not the lie—deliberate, contrived, and dishonest—but the myth—persistent, persuasive, and unrealistic."
The best way to learn mathematics is to do mathematics.
The best time to start living intentionally is now.
债券市场是市场预期的最终衡量标准。
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.