These words are easy to read and hear but its hard to apply, many are still failing on how much they are investing.
You are correct and that is where emotional maturity helps a trader. Experience too goes along way because these are usually repeated patterns especially when looking at the candles sticks when trading.
Experince contributes a big factor in trading.
Believe in yourself when trading but it comes with failures in the beginning and learning from others experience is also a big plus. Keep on learning, trading is wide and you don't need to rush.