Investing is a like fishing as a fisherman. You throw a net (make a trade) and need to wait patiently. You need to constantly watch out developing news. If you are not patient, chances are you will miss the fish. If you wait patiently you increase the chance of catching anything but it does not guarantee any catch.
Patience aka time, can be used as an edge indicator. The more patience, time wasted, waiting for a trade to do as expected, or at a very minimum show meaningful signs of expected movement, the less edge the trade has... everyone and their mother should not have the same opportunity to enter the same trade at or near the same price as you, if the trade has an edge. You've clearly stated you are referring to investing. I am an intraday futures trader.
"It requires a great deal of boldness and a great deal of caution to make a great fortune; and when you have got it, it requires ten times as much wit to keep it." - Nathaniel Mayer Rothschild
You could be 0.1 standard deviations above the mean, and that statement would be true. However, that doesn't guarantee you will be profitable. "Do something that most people are not doing, but prove it."
"Two roads in the wood and I - I took the one less traveled by, and that has made all the difference." Robert Frost