过去从未消逝，它甚至从未过去。
Courage in monetary policy is not the absence of fear but the judgment that something else is more important than fear.
The true measure of success in farming is not just the yield, but the health of the soil and the community it supports.
The elegance of a mathematical proof is in its simplicity and clarity.
孔子说：“生来就知道的，是上等人；学习后才知道的，是二等人；遇到困难才学习的，是三等人；遇到困难也不学习的，这就是下等人了。”
力的统一不仅是数学上的梦想，更是物理上的必然。
The moment you give up is the moment you lose.