On Freedom Book CoverIn this short book of 136 pages, titled On Freedom, Cass Sunstein makes the case that freedom is enhanced by the intentional restriction or gentle manipulation of free choice. Just as a GPS system guides you to the desired destination while preserving your freedom to take an alternate route, “nudges” can point you in the right behavioral direction while preserving your ability to choose otherwise.

A simple example is automatic enrollment in a 401K retirement savings program. This particular “nudge” is beneficial because it helps to overcome two common biases. The “present bias” makes it difficult for people to save for the future, and the “default option bias” makes it difficult for people to make changes to the status quo.

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Diderot and the Art of Thinking FreelyDenis Diderot, the French philosopher, art critic, and writer, was described by Voltaire as a pantophile, or the type of person who falls in love with everything they study, from mathematics, science, and medicine to philosophy, politics, literature, and art. So while Diderot never produced a masterpiece that would put him in the highest ranks of philosophy or literature, he did over the course of his life think and write about a wider range of topics than most.

This disposition had several benefits. First, it made Diderot uniquely suited for the position of chief editor of the Encyclopedie, the first and largest project to secularize all human knowledge from the materialist and humanist perspective. More than any other work, the Encyclopedie captured the full spirit of Enlightenment thought.

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