In contrast to revenge, which is the natural, automatic reaction to transgression and which, because of the irreversibility of the action process can be expected and even calculated, the act of forgiving can never be predicted it is the only reaction that acts in an unexpected way and thus retains, though being a reaction, something of the original character of action.
Quotes about irreversibility (4 Quotes)
For the United States, irreversibility is a paramount goal, ... bad behavior.
The irreversibility of time is the mechanism that brings order out of chaos.
This is the strongest evidence yet to support irreversibility. If we had not used the genetic data coding for this reproductive mechanism and only inferred the pattern of evolution based on the traits of living species, we would have come to the opposite conclusion and with high statistical support that the trait evolved more than once.