我们最高的努力必须是培养自由的人类,他们能够自己赋予生活目的和方向。
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
Happiness is secured through virtue; it is a good attained by man's own will.
The real question is not whether machines think but whether men do.