The world's faith traditions have much to teach us about wisdom -- what it is, where to find it and who truly possesses it. Wisdom is elusive, however, as the words often attributed to Socrates relay: "The only true wisdom is in knowing you know nothing."

HuffPost Religion asked 10 faith leaders to weigh in on what wisdom means to them -- and no two are quite the same...

Jim Wallis

"In my life, I’ve gained the most wisdom from being in places where I wasn’t supposed to be and being with people I was never supposed to be with. Meeting and befriending people who Jesus would probably call “the least of these” has changed my life over and over again. I’ve learned more from so-called “outsiders” than I ever did from the insiders."