"I love this list and agree with every suggestion on it," the "Shark Tank" judge wrote on Cyber Dust, an ephemeral messaging app similar to Snapchat in which Cuban invests.
In the article, leadership and entrepreneurship consultant Lolly Daskal outlines nine bad habits that her best clients refuse to indulge in, like being distracted or succumbing to negativity.
For instance, Daskal suggests that productive people don't give "mental space" to self-limiting beliefs, writing, "The first step in attaining success is to give up the belief that you can't have it or don't deserve it."
Inc.'s list builds on the annals of advice that Cuban has issued to "Dusters" over the years, drawing on lessons from his success founding HDNet, Broadcast.com and MicroSolutions and investing in numerous start-ups.
Disclosure: CNBC owns the exclusive off-network cable rights to "Shark Tank."