"Sociology is a social science"(সমাজতত্ব এক সমাজ বিজ্ঞান): Remember that your past success may lead to your future failure. However, if you learn a lesson from every failure, then you may ultimately succeed.

google-site-verification=bnBP1YyOvuNNXqyApA17fvUkhP7WppjepahXbV6qTvg "Sociology is a social science"(সমাজতত্ব এক সমাজ বিজ্ঞান): Remember that your past success may lead to your future failure. However, if you learn a lesson from every failure, then you may ultimately succeed. - Jack Ma