This paper is for international student, so do not use too difficult words and it is better to write easy to understand. Part one: Links to a series of TED talks will be presented. Selects a talk, listens to it, and delivers an initial commentary based on the questions presented by the instructor. (about 100 words). Part two: selects one of the chapters he/she read from the book Northouse, and delivers an in-depth commentary (about 200 words) .