Authors:

The unnatural and increasingly rapid growth of the feeble-minded and insane classes, coupled as it is with steady restriction among all the thrifty, energetic and superior stocks constitutes a national and race danger which is impossible to exaggerate. I feel that the source from which the stream of madness is fed should be cut off and sealed before another year has passed.

Winston Churchill's addree as Home Secretary to Prime Minister Asquith on compulsory sterilization of 'the feeble-minded and insane', as quoted in "'Race', Sport and British Society" edited by Ben Carrington and Ian Mcdonald, 2001.
The unnatural and increasingly rapid growth of the feeble-minded and insane classes, coupled as it is with steady restriction among all the thrifty, energetic and superior stocks constitutes a national and race danger