On the evening of September 26th 2010, the Chemistry Class, one of the scientific classes in Zhejiang University, held a class meeting with the theme of "Ideals, Beliefs and Life". Prof. Tang, the person in charge of the project of scientific classes, was specially invited. He concluded the secret of success as the thought of "Ideals*Beliefs*Intelligence*Toil*Persistence", encouraged students to set a broad and long-ranged goal and chase it. Besides, properly plans for lives are needed, as he had mentioned. After the meeting, Prof. Tang answered students’ questions patiently.