The writer must be a perpetual dissident.

The only thing we have to fear is fear itself.

电脑只是一个工具。铅笔也是一个工具。关键在于你如何使用它。

The greatest crops are grown not just with water and sunlight, but with patience and dedication.

理性预期假说并不意味着人们能够完美地预测未来。