【正文】 s no difference between what we want for our only difference is our ability to provide it to our what accounts for that difference? Bill and I talk about this wi。t matter how much we master the secrets of are not really solving are just working on think most of you have a broader world view than I had at your can do better at this than I you put your hearts and minds to it, you can surprise the are eager to see it.(Applause).MELINDA GATES: So let your heart will change what you do with your a trip to south Asia, I met a desperately poor Indian had two children and she begged me to take them home with when I begged her for her forgiveness she said, well then, please, just take one of another trip to south Los Angeles, I met with a group of the students from a tough young girl said to me, do you ever feel like we are the kids39。t develop the innovations poor farmers need to grow food in a changing our optimism doesn39。t cure malaria, we won39。t focus on the big inequities, then we could have amazing advances and in inventions that leave the world even more won39。t make the world better for them or their who is right? The people who say innovation will create new possibilities and make the world better? Or the people who see a trend toward inequality and a decline in opportunity and don39。t look away.(Applause).BILL GATES: Melinda and I have described some devastating scenes, but we want to make the strongest case we can for the power of in dire situations, optimism fuels innovation and leads to new approaches that eliminate if you never really see the people that are suffering, your optimism can39。s a conviction and a belief that we can make things no matter how much suffering we see, no matter how bad it is, we can help people if we don39。s the big reason why the AIDS epidemic has not exploded in these sex workers gathered together to help stop AIDS transmission, something unexpected and wonderful munity they formed became a platform for and others who raped and robbed them couldn39。s the people that you can39。t get her up so finally I just scooped this woman up in my was nothing more than skin over bones and I took her up on the roof top, and I found one of those plastic chairs that blows over in a light put her there, sat her down, put a blanket over her legs and she sat there facing to the west, watching the workers knewI made sure they knew that she was up there so that they would bring her down later that evening after the sun went down and then I had to she never left felt pletely and totally inadequate in the face of this woman39。s going to be 39。t think of what I should say to finally I just said to her, it39。t let it didn39。t save I didn39。ve had days like that ten years ago, I traveled with a group of friends to on last day I was there, I had a meeting with a group of prostitutes and I expected to talk to them about the risk of AIDS that they were facing, but what they wanted to talk to me about was of these women had been abandoned by their 39。t defeat poverty and absolutely GATES: Bill called me that day after he visited the TB hospital and normally if one of us is on an international trip, we will go through our agenda for the day and who we met and where we have this call was said to me, Melinda, I have been somewhere that I have never been then he choked up and he couldn39。t reduce my channeled got into the car as I left and I told the doctor we were working with I know MDRTB is hard to cure, but we must do something for these , in fact, this year, we are entering phase three with the new TB drug regime for patients who respond, instead of a 50% cure rate after 18 months for $2,000, we get an 80% cure rate after six months for under $100.(Applause).Optimism is often dismissed as false there is also false 39。t seem to know whether it was worth it to keep the school talked to a patient there in her early had been a worker at a TB hospital when she came down with a went to a doctor and he told her said she had drugresistant was later diagnosed with wasn39。s toughest problems? I promised myself that before I came back to Africa, I would find out more about what keeps people the years, Melinda and I did learn more about the pressing needs of the a later trip to South Africa, I paid a visit to a hospital for patients with MDRTB, multidrug resistant tuberculosis, a disease with a cure rate of under 50%.I remember that hospital as a place of was a giant open ward, with a sea of patients shuffling around in pajamas, wearing was one floor just for children, including some babies lying in had a little school for kids who were well enough to learn, but many of the children couldn39。re not focused on the fact that half a million people on this continent are dying every year from we are sure as hell going to bring you I went to Soweto, I thought I understood the world39。t super I didn39。t wear walked barefoot along the streets, except there were no streets, just ruts in the munity center had no consistent source of they rigged up an extension cord that ran 200 feet from the center to the diesel generator at this setup, I knew the minute the reporters left, the generator would get moved to a more urgent the people who used the munity center would go back to worrying about challenges that couldn39。t, then technology would make inequality ran counter to our core should benefit we worked to close the digital made it a priority at Microsoft, and Melinda and I made it an early priority at our personal puters to public libraries to make sure that everyone had digital divide was a focus of mine in 1997, when I took my first trip to South went there on business so I spent most of my time in meetings in downtown stayed in the home of one of the richest families in South had only been three years since the election of Nelson Mandela marked the end of I sat down for dinner with my hosts, they used a bell to call the dinner, the women and men separated and the men smoke