51762: 2018-08-22 Donald Rothberg: Skillful Effort in Concentration Practice (Retreat at Spirit Rock)
Summary: 51762: 2018-08-22 Donald Rothberg: Skillful Effort in Concentration Practice (Retreat at Spirit Rock)
Summary: 51762: 2018-08-22 Donald Rothberg: Skillful Effort in Concentration Practice (Retreat at Spirit Rock)