The best way to encourage others to take action is to start by doing it yourself.
I don’t read a lot of self-help or inspirational books, but even if you never read anything in this genre, Awakening Joy: 10 Steps That Will Put You on the Road to Real Happines is one you should try. It’s about enjoying your life, consciously picking the things that make life more enjoyable and purposefully thinking about them. It shows how to think about spirituality and purpose in your life. The author, James Baraz teaches a very popular course and has an online lecture series on this. Melinda and I actually went to one of his seminars. He’s a very nice guy, and Awakening Joy is very good.