What I’ve really learned in my 43 years is that the body does not lie; the body actually tells you what’s right and wrong. If you get a sinking feeling in your stomach or a heavy heart about something, you shouldn’t do it; and if you get a lifting, light feeling in your body, you should.

I think to a certain respect, yes. But also, you try to follow the best guidelines you have, the constitutional by-laws. You have to interpret them from time to time, but in the final analysis, in some instances, it would be a gut reaction. But a gut based on preparation and study. Not just a fly-by-night gut reaction.

But the thing I think that thrust me possibly into the public consciousness, I had just been elected Bishop of Lesotho. I had gone there to become bishop and I went for a retreat. I don’t know — I mean, I don’t know what happened but it just seemed like God was saying to me, “You’ve got to write a letter to the Prime Minister.” And the letter wrote itself.

The value of a coin toss is not seeing whether it lands on heads or tails. It’s noticing whether you are disappointed in the result or what you’re wishing for when it’s flipping

What I’ve come to realize is this: Optimism is more than just a feeling; it’s a strategic approach. And when navigating uncertainty, setbacks and change, it’s one of the most powerful tools in our arsenal.

My job hunting days were at the height of the bubble economy. At the time, I was focused on joining big corporations and had no intention of myself becoming an entrepreneur. I started working at a major bank with a vague idea that I wanted "a job that would take me around the world."

I REALIZED IN THOSE DAYS HOW TENUOUS OUR EXISTENCE IS,” HE WROTE IN HBR. “WE HAVE ONLY ONE LIFE, AND IT MUST BE LIVED TO THE FULLEST—NOT SOMEDAY, BUT NOW.

Because there are so many business we do across the boundaries. So, I think this is the only way a Japanese service company can really, truly become the global organization.

Of course, my decision faced plenty of criticism. One of my fellow Japanese CEOs went so far as to call the plan “stupid” – notable, in a country where executives do not generally criticize one another in the press. Clearly, I would have to fight an uphill battle for cultural acceptance. But I was not deterred. A seismic shift demands that we adapt to a new landscape, and a seismic economic shift is exactly what Japan has undergone in recent decades, driven by the forces of globalization and digitization. The only way to compete in this interconnected internet age is to speak the language of the market – and that language is English.

The key to success is not perfection. It’s knowing yourself.