Trust but verify. This is vital enough in CS/engineering but also in life. U can't do it for everything but at least for the things that matter to you or thing

Trust but verify. This is vital enough in CS/engineering but also in life. U can't do it for everything but at least for the things that matter to you or things that you can do it for cheaply (time/effort) and can yield greater results. - Back up plans - Disaster plans - Legal/financial - Second opinion for doctors