数学中最深刻的思想往往来自最简单的问题。
The most profound ideas in mathematics often come from asking the simplest questions.
The price of doing the same old thing is far higher than the price of change.
Evidence-based policymaking leads to better outcomes.
你必须准备好受苦并享受这种痛苦。
The world is always ending for someone.
Quality is never an accident; it is always the result of intelligent effort.