在数学中，从问题到答案的旅程往往比答案本身更具启发性。
In mathematics, the journey from question to answer is often more enlightening than the answer itself.
Profitability and sustainability are not opposites; they are two sides of the same coin. A business that harms the environment ultimately harms itself.
"The only limit to our realization of tomorrow is our doubts of today."
The rule of law is a political ideal, not a legal one.