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I honestly don't understand how anyone can question that we lack free will unless one believes in a soul or some other kind of "magic". If all of our actions are governed by our brains, and our brains are simply a collection of particles obeying the laws of physics, where is the room for free will?

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Physics may not be entirely deterministic. At the quantum level physics starts being about probability. (In fact, quantum physics is all about probability, something my grades wish I had understood while taking the course...) Maybe particles have free will: do I tunnel now or not? Not now, maybe later. Maybe the Heisenberg uncertainty principle is a reflection of the free will: you can determine either a particle's position or velocity as much as you want, but you give the particle an equal amount of free will to choose the other one.

Ask yourself why you feel the need to identify with Free Will. Are you free to choose otherwise (e.g. reject Free Will)?

You may find that Free Will is a paradoxical concept.

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