Famous quotes containing the words iron and/or core:
“In the course of history, men come to see that “iron necessity” is neither iron nor necessary.”
—Friedrich Nietzsche (1844–1900)
“Individual science fiction stories may seem as trivial as ever to the blinder critics and philosophers of today—but the core of science fiction, its essence ... has become crucial to our salvation if we are to be saved at all.”
—Isaac Asimov (1920–1992)