When I sat down to think about what to say during this panel entitled "Are there ethical limits to what science can achieve or should pursue", I couldn't help but feel intellectually stuck in three paradoxes, paradoxes that I think animate our condition today, and that I take as a point of departure for my talk. First. Alongside the unprecedented potential of science and technology to solve complex global challenges, there is a perpetual threat of a catastrophe: from the atomic bomb to chemical,