The most immutable barrier in nature is between one man's thoughts and another's. - William James
The eternal difference between right and wrong does not fluctuate, it is immutable. - Patrick Henry
The essence of science is that it is always willing to abandon a given idea for a better one; the essence of theology is that it holds its truths to be eternal and immutable. - H.L. Mencken
Most great works of the imagination were meant to make you feel like a stranger in your own home. The best fiction always forced us to question what we took for granted. It questioned traditions and expectations when they seemed to immutable. - Azar Nafisi
It is not you as the ego who moves through life, but that life flows before you, and you are the immutable awareness containing it all. - Enza Vita
ACCIDENT, n. An inevitable occurrence due to the action of immutable natural laws. - Ambrose Bierce
Sometimes we are lucky enough to know our lives have been changed, to discard the old and embrace the new and run headlong down an immutable course. It happened to me... on that summer's day when my eyes were opened to the sea.