Naysayers, natural skeptics and cynical people among us, habitually express negativity about the accomplishment of others and are pessimistic about change. 
Wale wasiotaka kuamini, na wenyewe wasiwasi kwa asili baina yetu, wamekuwa na tabia ya kuonesha mashaka na mafaninikio ya wengine na ambao si warahisi kupokea mabadiliko.