Over at Harvard Business Review (publication date unknown), Daniel Gulati, an entrepreneur based in New York City, discusses his informal study of people’s biggest regrets about their career.

He talked to professionals who ranged in age and represented a variety of different industries but five ideas came up again and again:

1. I wish I hadn’t taken the job for the money

“By far the biggest regret of all came from those who opted into high-paying but ultimately dissatisfying careers.”

2. I wish I had quit earlier

“Almost uniformly, those who had actually quit their jobs to pursue their passions wished they had done so earlier.”

3. I wish I had the confidence to start my own business

“A recent study found that 70% of workers wished their current job would help them with starting a business in the future, yet only 15% said they had what it takes to actually venture out on their own.”

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4. I wish I had used my time at school more productively

“Although more students are attending college, many of the group’s participants wished they had thoughtfully parlayed their school years into a truly rewarding first job.”

5. I wish I had acted on my career hunches

“Several individuals recounted windows of opportunity in their careers, or as one professional described, ‘now-or-never moments.’”