1 00:00:16,710 --> 00:00:27,070 Before you start, make sure you solve the right problem. 2 00:00:27,070 --> 00:00:32,549 Einstein said, to solve a problem, I would spend 55 minutes defining the problem and 3 00:00:32,549 --> 00:00:34,630 then 5 minutes solving it.