The farmer's best implement is his mind.
农民最好的工具是他的头脑。
The thought of death should usher us towards whatever happens to matter most to us; it should lend us the courage to pursue the way of life we value in our hearts.
过去从未死去，它甚至还未过去。
The truth is, we are all capable of turning our backs on the truth.
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
那话怎么说的来着，"好酒不贪杯，益寿延年"。