About 10-15 years ago the European Space Agency was advertising that philosophy. IIRC they contrasted perfectionism (or zero risk) and slow learning against sma

About 10-15 years ago the European Space Agency was advertising that philosophy. IIRC they contrasted perfectionism (or zero risk) and slow learning against smaller experiments and faster learning. There was also some third term contrasted, perhaps that being that all-or-nothing huge projects demand a shift toward zero-risk and slow learning.