If you don’t believe in possibility, you won’t set any Goals to aim for.
Without any goals in mind, you’ve nothing from which to Expect any payoff.
With no payoff in mind, you’ve no Motivation to do anything.
Without any motivation, you’ll take no consistent Targeted Action.
Without any targeted action, you’ll Achieve nothing.
Bottom Line: Whether you are convinced by particle physics or otherwise, the fact remains that Infinite Possibilities Exist.
So set your Goals with confidence, Expect positive results, and Achieve your best.