My first rule of entrepreneurship is: Know Thyself.
After founding and leading Advanced Diamond Technologies as CEO for seven years, I realized a few years ago that it was time for me to go. My commitment to my cofounders was to put the company first, and I told them that if the day ever came when it made sense for someone else to run the company, they could count on me to do what was right.
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To read the original article: How To Know When It's Time To Leave Your Startup