The consequence is an ethical neutrality which invalidates the moral will.
"The Approach to Philosophy"
Ralph Barton Perry
Anything that invalidates our seeing, as a source of knowledge concerning physical reality, invalidates also the whole of physics and physiology.
"Mysticism and Logic and Other Essays"
Bertrand Russell
The very fact of so natural a class as that of the strong verbs being reduced to the condition of irregulars, invalidates such a definition as this.
"The English Language"
Robert Gordon Latham