evidence: Reacting to the death of his friend, Gates said Allen wasn’t happy with creating just one company. "He channeled his intellect and compassion into a second act focused on improving people’s lives and strengthening communities in Seattle and around the world," Gates wrote. "He was fond of saying, ‘If it has the potential to do good, then we should do it’". [...] "As co-founder of Microsoft, in his own quiet and persistent way, he created magical products, experiences and institutions, and in doing so, he changed the world," Microsoft CEO Satya Nadella wrote on Twitter.