Sentiments-The real hidden breakers

I know that India is a country full of sentiments and being an Indian I am not an exception.I am portraying the other side of sentiments,we Indians are very maudlin people and perhaps this is the reason why we are still a developing nation and not a developed country.I want you all to think about this thing very seriously as this governs the future of us.Most basic question-: What is sentiments?Answer is simple yet abstruse