演讲精选1

29.failure is an option, but fear is not

28.Before I die I want to

27.Speech at Tulane university

26.The danger of a single story

25.I have a dream

24.Why our screens make us less happy

23.Feelings, failure and finding happiness

22.The power of introverts

21.2009 Inaugural address

19. 3 ways to plan for the long term