You must be filled with expectancy. You must be awash in hope.

There is no point treating a depressed person as though she were just feeling sad, saying, 'There now, hang on, you'll get over it.' Sadness is more or less like a head cold- with patience, it passes. Depression is like cancer.

Sustainability is not just a responsibility, but also an opportunity for innovation.

Business as usual is no longer an option.

在我看来，如果你或我必须在两种思想或行动之间做出选择，我们应该记住我们的死亡，并努力生活，使我们的死亡不会给世界带来任何快乐。

克服厄运的唯一方法就是努力工作。