Being powerful is like being a lady. If you have to tell people you are, you aren't.

Sustainability isn't a trend—it's the future of food production.

The time which we have at our disposal every day is elastic; the passions that we feel expand it, those that we inspire contract it.

在儿童时期没有养成思想的习惯。将使他从此以后一生都没有思想的能力。