The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.
The real challenge in computer science is not to write programs, but to understand the nature of computation.
自由民主可能构成“人类意识形态演化的终点”和“人类政府的最终形式”。
The elegance of a mathematical proof is in its simplicity and clarity.
如果你没有前进，那你就是在落后。
农业现代化不是口号，而是实实在在的行动。
The sun himself is weak when he first rises, and gathers strength and courage as the day gets on.