I find myself reflecting on a universal truth we're all intimately familiar with—change, with its uncanny knack of invoking a spectrum of emotions from exhilaration to apprehension. Through years of consulting with professionals from all walks of life…

The writer and professor Morris Kline once said, "the most fertile source of insight is hindsight." It's hard to dispute that. So taking a cue from Kline, here are three sources of insight I'd like to tell my younger self.

Exercise has always been a way to balance my busy life – whether when I was a student in school, in a public accounting firm or running my businesses over the years. I love all forms of exercise, but I am most passionate about yoga, spinning and running in my life as a way to release stress and be ready to take on each day.

I had an interesting experience in my yoga class. The instructor was playing random music from Pandora, and chose a classical station to end our practice with. What she didn't realize when she turned on this station was how it affected me. I immediately went back to being a teenager as soon as I heard the first piece play.