"We call it grit: when the going gets tough, a person's tendency to grit their teeth and keep going." Startups (and other intellectual and business ventures) a

"We call it grit: when the going gets tough, a person's tendency to grit their teeth and keep going." Startups (and other intellectual and business ventures) are not sports though. This is a double-edged sword. Sometimes "grit" means that you push through the tough parts. This is good, and absolutely necessary for success in anything. But sometimes it means that you fail repeatedly by making the same mistake repeatedly because you mistake self-reflection and course correction for weakness and refuse to learn anything.