Some people say that a butterfly flapping its wings in japan can cause a hurricane in texas. any one of us, however small and we may feel, can spark unimagined changes. today's small act of kindness can become tomorrow's whirlwind of human progress. but as you all know, progress is not easy, and it will not come unsolicited. i hope that many of us will inspire positive change. there is still so much to be done both in distant lands and closer to home in our own communities. the big, sweeping, revolutionary actions are always most noticeable. but quite often, it will be the small things that all of us can do that will have the most impact. yes, we will be busy in our lives. but we can all take a little time to do a little deed of kindness. we can write a letter; we can inscribe a little goodness on the hard surface of this world. in this portion of his harvard graduation speech, a. suggests that the need is greater in distant lands and people should commit to .b. argues that everyone can do something to make a positive impact in the world. c. demonstrates that revolutionary actions are needed to make a change in the world. d. shows that he understands that people may be too busy to commit to others. i can’t decide whether it’s a or c, .