什么是悲剧?悲剧就是善的冲突。

安全不是成本；它是对我们最宝贵资源——我们员工的投资。

The true value of education is not just in the accumulation of facts, but in the training of the mind to think critically and creatively.

Investing in research today prevents crises tomorrow.

译文：只要把握现在，做好当下的事情，不要管将来会有什么样的结果。

The greatest blessing of our democracy is freedom. But in the last analysis, our only freedom is the freedom to discipline ourselves.

The writer’s life is a meaningless question. I’m interested in the books.

Failure is just a stepping stone to success.