The ubiquitous advice to "follow your passion" is well-intentioned but not very helpful, says Jenny Blake, the co-creator of Google's career development mentorship program.
If you're frustrated and not sure what you should be doing with your life, she says you may be thinking about work all wrong.
"For some, the pressure to define a purpose or mission statement is stifling and causes much unnecessary angst," she writes in her new book "Pivot," which offers tips on transitioning into a new job or career.
"I recommend people follow a project-based purpose," Blake tells CNBC.
Having a "project-based purpose" is all about finding projects at work that excite you and make you feel like you're causing an impact, she says.