Thanks Julie for the distinction regarding "Anyway" by Kent M. Keith and "Do It Anyway," Mother Teresa's adaptation version.
Julie G (16 May 2011)
"Mother Teresa's "Anyway""
Apparently Mother Teresa was not the original author of this poem, but saw it somewhere and adapted it.
The original author was Kent M. Keith, who wrote it when a student at Harvard.
Here is his version, entitled "The Paradoxical Commandments:"
And here is his discussion of the Mother Teresa version: