I believe we are on an irreversible trend toward more freedom and democracy - but that could change. - Dan Quayle
It is hard to have patience with people who say "There is no death" or "Death doesn't matter." There is death. And whatever is matters. And whatever happens has consequences, and it and they are irrevocable and irreversible. You might as well say that birth doesn't matter. - C. S. Lewis
Mankind has created many religions; most of them are long gone now and finally all will long gone! This truth is an irreversible truth! - Mehmet Murat ildan
By repetition, each lie becomes an irreversible fact upon which other lies are constructed. - John le Carré
Forgiveness is the only way to reverse the irreversible flow of history. - Hannah Arendt