Engaged Buddhists SGI Buddhists believe that all people have the power to lead lives of great value and creativity and to positively influence their communities, society and the world. Nichiren Buddhism stresses that the greatest fulfillment in life is found in working for the happiness of others. About Nichiren Buddhism Grassroots Movement SGI-USA strives to contribute to American society in significant ways, as it has for five decades. Areas of focus span culture, peace activism, disaster relief, sustainability, and education. Get Involved