Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
I think the most powerful and enduring brands are built from the heart.
我不是一个轻易放弃的人。
Sustainability isn't just about planting trees—it's about planting the right trees in the right places, for the right reasons.
She's simply too strange. We can't relate to her, she speaks in a funny way, she comes from an odd place. So we can't relate to her, and when you can't relate to somebody, you don't envy them. The closer two people are -- in age, in background, in the process of identification -- the more there's a danger of envy, which is incidentally why none of you should ever go to a school reunion, because there is no stronger reference point than people one was at school with.
Innovation distinguishes between a leader and a follower.
