book hack
The Courage to Be DislikedBy Ichiro Kishimi, Fumitake Koga

In a Nutshell

The Courage To Be Disliked is a Japanese analysis of 19th century psychologist Alfred Adler's work, who established that happiness lies in the hands of each human individual, no matter their past traumas.

Favorite quote

The courage to be happy also includes the courage to be disliked. When you have gained that courage, your interpersonal relationships will at once change into things of lightness.

Ichiro Kishimi and Kumitake Koga


In 2016, conclusive evidence was finally discovered to prove Einstein's theory of general relativity. That means that, for over 100 years, an entire branch of physics operated under the assumption that this idea was true without concrete evidence.

The chance that decades of work from thousands of people could collapse in an instant might seem like a crazy price to pay, but scientific discovery has always worked this way. Everything is a theory waiting to be proven wrong. Hence, you shouldn't be surprised if you see a resurgence of old ideas in any given field. In psychology, the works of Sigmund Freud and Carl Jung have dominated for a long time. But now, an opposing contemporary of theirs is resurfacing: Alfred Adler. The Japanese authors Ichiro Kishimi and Fumitake Koga have analyzed his work for decades and now present an adapted version of it, ready to serve the modern world in our quest for happiness.

The result is The Courage To Be Disliked, an instant bestseller in Japan and now a global phenomenon, with over 3.5 million copies sold. The book tells the story of an unhappy young man, who visits a philosopher on the outskirts of his city. Over the course of five conversations, the teacher helps him take control of his own life and happiness.

Here are the 3 key insights from this Hack

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    Your past doesn't determine your future
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  3. 3.
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