“The fact that some religious fanatics might support a theory doesn't invalidate it, anymore than the concurrence of UFO abduction cults invalidates the notion of extra-terrestrial life.”
“No denial of the truth will ever invalidate it.”
“The ruthlessness of the godly invalidated their claims of virtue.”
“I was glad when the invalids were executed”
“A cheerful face is nearly as good for an invalid as healthy weather.”
“There are normal hours, and then there are invalid hours, where time stalls and slips, where life---real life---seems to exist at one remove.”