Multiple realities
(covers information from several alternate timelines)
Suffering was the mental state or experience of an individual bearing or undergoing pain, distress, or injury.
In the alternate reality of 2258, Leonard McCoy said to James T. Kirk that a little suffering was good for the soul. (Star Trek)
In 2266, Leonard McCoy denied saying to James T. Kirk that a little suffering was good for the soul. (TOS: "The Corbomite Maneuver")