The book is a part of research result of the topic "Understanding over Freedom" that conducted by IRED and Mr. Nguyen Van Trong. Contents: 1 - Introduction. Social freedom. Autonomous human being of Kant. Berlin saying on "freedom's confirmation" and its totalitarian trap. The freedom in philosophy of Berdyaev. Fromm discussing on human existence in society. Looking for duty & position. Freedom and Russian populism. Freedom and Catholicism. Spiritual orientation of the Vietnamese people. My generation.