The boundary between physics and mathematics is not as clear-cut as we might think.

Leadership means making tough decisions today for a better tomorrow.

Sometimes the only way to survive is to become someone else.

译文：做官清正廉洁，就不会失去节操和名望，爱护百姓，最重要的是要亲近他们。赏析：不管是做官还是处事，我们都要公正公平，心存善心，自然就有很多人亲近我，尊重我们。