Nothing is ever accomplished by a reasonable man.
From the Murphy's law canon, and the counterweight to the reasonable man of tort law. Shaw made the same point in 1903: progress depends on the unreasonable man.
In practice
- Shaw's version, from Man and Superman (1903): the reasonable man adapts himself to the world, the unreasonable one persists in trying to adapt the world to himself, so all progress depends on the unreasonable man.
- The colleague who will not accept that the process cannot be changed is exhausting, and is the reason the process changes.