Some investments do have higher expected returns than others. Which ones? Well, by and large they're the ones that will do the worst in bad times.
[What if my advisor talks only about returns, not risk?] ... It's his job to take risk into account by telling you the range of possible outcomes you face. If he won't, go get a new planner, someone who will get real.
Properly measured, the average actively managed dollar must underperform the average passively managed dollar, net of costs. Empirical analyses that appear to refute this principle are guilty of improper measurement.
Love is a beautiful dream.