It is not a matter of being smarter than the market, it is a matter of not doing the wrong things.
Markets are not smart or otherwise, they just "are".
reminds me of the joke about 2 men in the jungle coming across a hungry lion.
both freeze, and look at the lion.
the lion looks at them.
then one of the men starts to put on his running shoes, and lacing them up.
the other guy says "hey. you cant out-run that hungry lion".
the first man replies "I dont have to out-tun the hungry lion. I only have to out-run YOU".
you cannot be smarter than the market, since you are part of it.
all you can do is be smarter than most of the other participants of the market.