Here's the difference between normal hemoglobin and sickle hemoglobin, I can make - I can see a chemical difference, I can exploit it, how can I find it?

正常血红蛋白和镰状红细胞贫血的,血红蛋白有不同之处,我能够--我能看出有化学差异,我能去探寻差异,那么我怎么找到它呢

耶鲁公开课 - 生物医学工程探索课程节选

We prove things in mathematics that have never been proven before or we find new ways to prove these theorems or what have you and we can be creative.

我们用数学去证明从未被证明过的事物,我们探寻新的方法去证明那些定理,或其他诸如此类,总之,我们具有创造力

耶鲁公开课 - 死亡课程节选