Authors:

If a warrior wants to pay back for all the favors he has received, and he has no one in particular to address his payment to, he can address it to the spirit of man, That's always a very small account, and whatever one puts in it is more than enough.

Carlos Castaneda (2009). “The Wheel Of Time: The Shamans Of Mexico Their Thoughts About Life De”, p.163, Simon and Schuster
If a warrior wants to pay back for all the favors he has received, and he has no one in particular to address his payment to, he can address it to the spirit of man, That's always a very small account, and whatever one