Thinking is the hardest work there is, which is probably the reason why so few engage in it.
思考是最艰难的工作,这可能是为什么如此少的人从事它。
The human condition is one of constant struggle, but it is also one of endless possibility.
农业的真正进步不仅以产量衡量成功,还要看生态系统健康。