Doubt is not a pleasant condition, but certainty is an absurd one.
The only limit to our realization of tomorrow is our doubts of today.
可持续发展是我们行业唯一的出路,忽视这一点的人将被淘汰。
在野外,你必须相信你的直觉。它们是你最好的向导。
We need to be obsessed with our customers' unmet, unarticulated needs.