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Ken Mogi
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Inspired a Little Key

Ken Mogi

Neuroscientist and author · Wrote on the Japanese idea of ikigai

Best known for writing about ikigai — the Japanese idea that a meaningful life grows from small joys and the little things that light us up.

Our own AI-illustrated tribute — an artist's interpretation of Ken Mogi's public ideas, made for children. How we make Little Keys ↗

1962 · Tokyo, Japan

Who is Ken Mogi?

Ken Mogi is a Japanese neuroscientist, born in Tokyo in 1962, who writes about the brain, happiness and meaning for everyday readers. He is best known for his writing on ikigai, including "The Little Book of Ikigai". Ikigai is a Japanese word often translated as "a reason to get up in the morning", and in his telling it doesn't have to be one big life purpose: it can start with the small, everyday things that bring us joy.

📊 The 20-second version
Ikigai
the Japanese idea at the center of his best-known writing — a reason to get up in the morning
Neuroscientist
his profession, studying the brain and how we find meaning and joy
Small joys
his key idea — that meaning grows from little sparks, not one grand purpose
📝 The story behind the little key

A scientist of the brain

Mogi is a neuroscientist based in Japan who studies the brain and has written widely for general readers about happiness, meaning, and the mind.

Writing on ikigai

His well-known writing introduces many readers to ikigai, the Japanese idea of having a reason to get up in the morning, found in the everyday things that bring us joy.

Start with the small spark

A central point in his work is that we don't need a giant life-purpose to live meaningfully — that following the small things that genuinely light us up is where a good life often begins.

The Puppy Who Followed the Spark
🔑 How this connects to their story

Kibo the puppy stops hunting for a big purpose and follows the little spark that wags his tail — and it leads somewhere no one could have planned. That's the heart of ikigai, the idea Ken Mogi writes about: meaning grows from small joys.

🐶 The Puppy Who Followed the Spark →
🕰️ Their life, in brief
1962

Born in Tokyo, Japan.

Career

Works as a neuroscientist and writes on the mind and meaning.

2017

Publishes a widely read book introducing ikigai to global readers.

Frequently asked questions

What is ikigai, in simple words?

Ikigai is a Japanese idea often translated as "a reason to get up in the morning." As Ken Mogi describes it, it doesn't require one grand purpose. It often begins with small joys and the everyday things that naturally light us up.

What book did Ken Mogi write about ikigai?

"The Little Book of Ikigai: The Essential Japanese Way to Finding Your Purpose in Life", an accessible introduction to ikigai and finding meaning in everyday joys.

How can kids use ikigai?

Kids don't need to know their life purpose. Help them notice what lights them up: ask "What was the best part of your day?" and "What could you do for hours without getting bored?" Then make a little room for those small sparks. That's ikigai at a child's size.

Which Little Keys story did Ken Mogi inspire?

"The Puppy Who Followed the Spark": Kibo the puppy stops hunting for a big purpose and follows the small joy of digging, and it leads him somewhere no one could have planned.

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📚 Books by Ken Mogi
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