Art of Thinking Clearly, and Lionheart- book reviews

Earlier last year, I went to Singapore for a brief trip and what I came away with were a bunch of photos that I took and these two books.

From its title, The Art of Thinking Clearly makes an impressive, bold claim. People, like you and me, often have  cognitive biases that influence how we approach problems and make decisions. But these biases are often misleading, inaccurate or dead wrong. Summarizing various cognitive errors people often make, Rolf Dobelli presents 99 clear and brief lessons on how to identify and overcome these errors and make better decisions.

For instance, when should you overthink and when should you rely on your intuition? The answer: take your time to think things through for complex situations whereas for regular, repetitive tasks you should heed your gut. Other interesting lessons include the base-rate neglect and false causality. The former is about how easy it is to ignore the frequency with which something major happens and so exaggerate the possibility of that event, while the latter tackles how people often mistake the cause of something for the effect and vice versa (for example: a study shows smarter kids have more books at home. But that doesn’t mean the books cause them to be smart, since maybe smarter kids enjoy reading more or have parents who are more educated). Another interesting lesson is to use different mental models when facing problems, inspired by a saying attributed to Mark Twain: “If your only tool is a hammer, all your problems will be nails.” If you use the same approach or mindset to solving every issue you encounter, your solutions will always be the same and not necessarily effective.

There are many more lessons covering common scenarios such as loss aversion (fear of losses), groupthink, confirmation bias (interpret things that happened to fit preconceived notions), and sunk cost fallacy (reluctance to give up in hopes of recovering losses). There are also lessons for the corporate world such as why teams and meetings don’t often work. This is because social loafing happens, as the more people there are involved, the less the individual participation, and hence the less useful (something most of us who have to attend long work meetings would probably agree).

Dobelli did not do original research, which he openly admits, but put together his lessons from extensive reading of different sources, so it wouldn’t hurt to follow up on additional sources to get more details. Nevertheless, the book is a very useful tool for re-evaluating your thinking and decision bias.

I’m a big fan of historical fiction and have read a lot of novels in this genre, but Lionheart is the first one I’ve read about the Crusades from the Christian side, specifically Richard I the Lionheart and his quest to retake Jerusalem in the Third Crusade. Starting in 1189, the novel follows the English king as he stops at Sicily, then captures Cyprus, and eventually lands in the Holy Land to retake Jerusalem. The book is full of characters and details, though at times there is a bit too much exposition and not enough action. The author Sharon Penman does well to explain the turbulent backdrop of that time, which followed from after Richard I had actually fought a civil war with his father, Henry II, after he imprisoned his own wife and Richard I’s mother, Queen Eleanor, and prevailed. Richard I must contend with not just the Muslim Saracens, but enemies from within in the form of the French King, Philip II, who is supposed to be the co-leader of the crusade but also a rival. The two are actually related, given the ties between European royalty which the book also does well to describe (Richard’s sister was married to the Sicilian king and thus the queen of that island kingdom, for example). Richard I manages to retake Acre and Jaffa from the Saracens before going on to Jerusalem. The novel is followed by a sequel, so I won’t give away the ending of Lionheart (history buffs will know how everything ends though).


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