Spoken words can't be retrieved ??

A farmer standered his neighbour. Realizing his mistake he went to a preacher to ask for forgiveness. The preacher told him to take a bag of feathers and drop them in the centre of the city. The farmer did as told.Then the preacher asked him to go and collect the feathers back in the bag. The farmer endeavored in vain as the feathers had all blown away. When he returned with the empty bag the preacher said, the same thing is true about your, words you dropped them rather easily but you can't retrieve them.so you need to be very carefully in the choosing your words while talking...