Most of what we know we don't really know first hand. I've never seen a cancer cell. But I trust this community… — Daniel Levitin Copy Share Image
I believe that research, that you can claim that you're doing research only if half of the people, and I'm talking about… — Burt Rutan Copy Share Image
“To my generation has now come the challenge. In the days to come we will be tested on whether we have the… — Joe Biden Copy Share Image
