[clairity]

free will doesn't necessarily require quantum uncertainty. it could also be that the force that set this universe in motion (as opposed to one of the infinitely many other possibilities) is the same stuff that composes our own free will. we simply don't know enough to believe in the lack of free will, either.

[collinmanderson]

If I knew for sure that everything was deterministic, would I decide to live my life differently?

I think I would still experience the ability to discern, make decisions, and take responsibility for the direction of my life.

[clairity]

self-awareness means that you might. it's why there are no sure things in the stock market, for example. we humans incorporate new information swiftly and deftly.