Then the seesaw will balance, even if you put a potato on one side and an elephant on the other side.

那即使你一边放个土豆,一边放头大象,那跷跷板也会平衡

耶鲁公开课 - 基础物理课程节选

And I think sometimes on the teeter-totter of each of those three dimensions were teetering where I wish we were tottering a little more as our products are more complicated.

我想有时这就像坐跷跷板,三个维度都在摇晃不定，无法抉择,比我们的产品生产还复杂一些。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选