All of us are imaginative as kids. But as adults, when we wrestle with issues that demand innovation, it can feel like that spark of creativity has disappeared.

I’ve studied creativity for over 40 years as an educator, writer and consultant. I’ve written over 180 books, including two about how to navigate the obstacles that can make creative thinking more difficult.

I’ve found that there are some common phrases we use in casual conversations, meetings and even with our family and friends that stifle our potential. We often don’t realize we’re using them.

If you catch yourself saying one of these four phrases, here’s what to do instead to jump-start your brain.

So much of our education, particularly in grade school, is focused on getting the “right” answers to single-minded questions like, “What is the chemical symbol for salt?” or “Who wrote the Declaration of Independence?” These are called convergent questions.