it's been built, starting with the rock fellers, still with david rockefeller, and they have recognized that they are investing in the future, it's investment again. they're investing in ideas, some of which-- all of which are going to enrich culture and understanding and some of which are going to be really value and important for humankind and some of which will make money. and they have invested in the next generation by investing in that knowledge-generating machine. >> rose: if you had it to do over-- i mean, life has been very good to you, as you said, the first your family to do a number of things-- would you do it differently? >> you know, i don't think i would. i have been extremely fortunate. you're right, because one is i've indulged my curiosity all my life. i sometimes wonder why they pay me to do my job. because they pay me to play in the laboratory. i love it, okay. and i-- whatever i did, i would want to indulge that curiosity of understanding the world. i think-- maybe i didn't have to be a scientist. i could be some other sort of discipline. but i think i would just wa