1. Its Familiar : A calling comes not just by looking forward to what you will do but also looking back at what you have done
2. Its something other people see in you: Sometimes our vocations are most obvious to those who knows us best
3. Its Challenging: it must be difficult enough that everyone can do it
4. It requires faith: It is not something obvious that you can easily explain.It must be mysterious.
5. It takes time: You have to fail your way in the right direction before you find it.
6.Its more than just one thing: And it integrates well with the rest of your life,not competing with but complementing to your top priorities.
7. Its bigger than you: The task must be so large that without a team of people,you cannot complete it on your own.