It is always a shock when vital changes have occurred in one's individual lot to return to a well-known place, after an absence of some duration, to find it wearing the same unchangeable aspect.
"George Eliot"
Mathilde Blind
There is no disobeying the mandate, for it is founded on one of nature's unchangeable laws.
"On Snake-Poison: its Action and its Antidote"
A. Mueller
He understood the Indian character sufficiently to know that they were unchangeable in their opinions, and seldom, if ever, to be moved from a resolution once taken.
"The White Squaw"
Mayne Reid