why you can't do?

Master want to perform experiment on the topic why many fails in their life.Master hanged the bananas on ceiling of a room with a support and provide a ladder to reach up,also fitted a camera to record their activities. Experiment begins,a monkey send inside the room and door closed.monkey watching the banana at top start climbing up,master switch the key ,water falls on the monkey,monkey falls down again and again at last sits in a corner of that room.Master send next monkey in that and performed similar operations,second monkey also failed and became friend with first monkey.master looking this send third monkey,when he failed to reach up goes in that corner and became friend with first and second,master then send fourth monkey in that room, when he started to climb up ,first , second & third monkey slapped the fourth by saying we are fool and you are wise.if we cannot reach up then how you can?