We, engineers, know that we can be a stubborn bunch. We can spend hours, days, or weeks trying to solve a problem, refusing to give up until we find the perfect solution that meets our high standards. So yes, we may be stubborn, but it's all for the greater good.
https://global.kyocera.com/we_love_engineers/index.html
https://global.kyocera.com/we_love_engineers/index.html