We all have three currencies. Time. Knowledge. Money.
For years, especially while building a career and family, money looked like the decisive currency to me. Until I started to understand that our life is the sum of our exchanges.
That insight didn’t come in one big moment. It built across many years. Money matters. It helps create independence and reduce pressure. But in the end, it hasn’t been the currency that shaped the most meaningful parts of my career and life. Those moments were usually tied to people, love, and trust. They often came in situations where I was supported by others, or where I could help someone else grow and succeed. That is what truly lasts.
I came to realize that time is the most personal currency because you can spend it only once. Still, in many careers, the pattern is almost always the same. People spend time to build knowledge. Then they use knowledge to create money. Later, they try to use money to buy back time, only to find out that missed time and missed opportunities can’t be recovered.
But the question is no longer only whether we are making smart exchanges. The bigger topic is whether we are investing deeply enough in the one currency whose value is now rising fastest in a machine-driven world: human capability!
Because as AI keeps advancing and machines improve at being machines, we must improve at being humans. The kind of knowledge that will matter most will increasingly shift beyond traditional soft skills and technical fluency. It will be our “Human Power Skills” that set the stage. The ability to think originally. The capacity to care. The discipline to exercise judgment. The maturity to guide others well. The humility to challenge yourself self-critically. All the skills that AI and machines can’t automate and replicate at the required level.
So yes, our life is the sum of our exchanges. Spend your time wisely. Build the right knowledge. Use money for what it can do, but don’t confuse it with what makes a life meaningful. In the years ahead, the strongest investment most of us can make will be to become better at being humans.
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Human Power Skills are a core element of a new leadership approach I developed called HUMA, Human Leadership in a Machine-Driven Era.
1. The HUMA book will be released in May/June 2026. If you’d like to receive a succinct summary version in the next couple of weeks send an email via the contact form on my website.
2. For all German speakers, my new HUMA leadership course for managers and entrepreneurs will start in September at the European Business School (EBS). More info here.