Once in a while the phenomena we exploit are particularly present. We like a reasonable amount of volatility. In our business we want some action. “Tumult is usually good for us. We don’t have credit lines of any significance. We don’t do a lot of leveraged-type financing.

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

语言中最具破坏性的短语是：“一直都是这样做的。”

Every loaf tells a story, from the flour to the final slice.

Guilt is like a bag of bricks. All you have to do is set it down.

有了一些小成绩就不求上进，这完全不符合我的性格。攀登上一个阶梯，这固然很好，只要还有力气，那就意味着必须再继续前进一步。

We must balance the need for affordable energy today with the imperative of building a sustainable energy future.

I’ve never believed in limits.