心是狂野的东西，它不遵守规则。
The heart is a wild thing, and it doesn’t follow rules.
沉默是快乐的最佳使者：如果我能说出多少，我就不会那么快乐。
The only limit to our realization of tomorrow will be our doubts of today.
We are in the business of helping our customers succeed, not just selling them products.
People must feel that the natural world is important and valuable and beautiful and wonderful and an amazement and a pleasure.