It never declared their pretensions to be valid though illegitimate.
"The Expositor's Bible: The Book of Exodus"
G. A. Chadwick
Cook's claim to the Discovery of the North Pole is as sound and as valid as the other claims of discovery, or the achievement of any one preceding him in the Arctic or the Antarctic.
"My Attainment of the Pole"
Frederick A. Cook
They deny that there are any natural laws in political economy; they deny that there is any economic solution absolutely valid, or capable of answering in one economic situation because it has answered in another.
"Contemporary Socialism"
John Rae