John Shore:

The other Truly Excellent Way to find as many great stories as you can possibly write is to go out into the world secure in the knowledge that people are absolutely fascinating: that they do fascinating things, have fascinating histories, are involved in fascinating dynamics. Move around in life assuming that everyone you meet is astoundingly original and infinitely interesting—and sure enough, their stories will never disappoint you.

"How to Become a Factory of Story and Article Ideas," JohnShore.com