We are joined again by our current affairs commentator Gregory Yingnien Tsang.

Q1. One of Sun Yat-sen's most important political legacy is the "three principles of the people", which was then considered to be the founding principles of the country. Why is it important to apply them at the time?

Q2. Dr Sun is also respected by overseas Chinese, reflecting a common wish: the unification of peoples. How might we interpret the concept of unification in this new historical situation?