LISA T. SU: All right. Good afternoon, everyone. President Kornbluth, Chairman Gorenberg, trustees, faculty, family, friends, and most importantly, the MIT Class of 2026, congratulations. You've earned this. And I can tell you that standing here feels very different than I expected. I've given a lot of talks over the years, but this one is quite personal. And as you can imagine with Murphy's law, I somehow managed to lose my voice this week. So please bear with me if I sound a little rough. But I couldn't be happier to be here with you, and if I give you a little bit of my story. I came to MIT in the fall of 1986. My parents dropped me off at Next House. I was 17 years old, born in Taiwan, raised in Queens, and I was pretty sure I was good at math. Then, of course, I walked into 6001 and 6002, and within about two weeks, I realized there were a lot of people at MIT who were very, very good at math. And I remember staring at those first problem sets thinking,...