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IF THERE is one Israeli leader who has a fond appreciation for Facebook, it is Shimon Peres.In March 2012, Israel’s ninth president visited Facebook headquarters in California, where he met with Mark Zuckerberg.In the years since, Peres would go on to refer to Zuckerberg – even as he moved into his 30s – as “the 27-year-old Jewish kid.”For Peres, a self-described dreamer, Facebook was a partial solution to a lot of the world’s problems.“Here was a 27-year-old kid without a political party and without a single piece of land who revolutionized the world,” Peres told me when we last met five months ago.As I write this, Peres is still hospitalized after suffering a stroke earlier this week. And while it is not the time to sum up Peres’s career and life, it is an opportunity to reflect on his love for science, innovation and the Jewish genius.The French, he told me, had a revolution, invented the guillotine, and then cut off the heads of 200,000 people. The Soviets came along, spoke about freedom and equality, but then gave up freedom and killed those who disagreed. But Zuckerberg, he said, did something that made everyone else irrelevant: he broke down borders, shortened distances, and made the world smaller and more intimate.But Peres also recognized the threats that are hidden within all these platforms.“Science is not neutral,” he observed during our conversation at his seaside apartment in north Tel Aviv. “It can be used by anyone – good people, and evil people too.”When I went to see Peres that day in April, I wasn’t sure what to expect. What I found surprised me: a man in his 90s speaking about the future as if he still had decades ahead of him.Peres’s greatness has always been his chutzpah. From his early days as an aide to David Ben-Gurion until today, he fought for what he believed to be right even when others thought he was completely wrong. A short list of his struggles include the founding of Israel’s nuclear program, the development of Israel’s missile systems, the establishment of Israel Aerospace Industries, the investment in science and technology, and the Oslo Accords.In each of these cases, Peres pushed while others pushed back. But he never gave up, and until his stroke this week he still spoke about Israel’s greatness and potential. He remained the incurable optimist.“There is a great contradiction in this world,” he told me. “There have been so many wars that man is intuitively negative. But the world goes on, it advances, and its turns a gloomy history into something that could be positive.”Shabbat Shalom.