Quality is never an accident; it is always the result of intelligent effort.

"Love and madness are close neighbors in the human heart."

我们可以允许卫星、行星、太阳、宇宙，甚至整个宇宙系统都受法则支配，但最小的昆虫，我们却希望它是由特殊行为一次性创造出来的。

在科学中，最重要的不是获得新的事实，而是发现新的思考方式。

我相信每个孩子都应该在他们读的书中看到自己。

The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.

Collaboration is key—governments, businesses, and communities must work together for sustainable forests.