“Citizenship is no light trifle to be jeopardized any moment Congress decides to do so under the name of one of its general or implied grants of power.”
Afroyim v. Rusk, 387 U.S. 267–68 (1967)
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Hugo Black 26
U.S. Supreme Court justice 1886–1971Related quotes

Statement on the floor of the U.S. House of Representatives, October 8, 2002, in opposition to the resolution authorizing military force against Iraq

Remember by Winston Churchill in 1941 as a remark made by Edward Grey 'more than thirty years ago' .
Reproduced in The Second World War, Vol III, The Grand Alliance, 1950, Cassell & Co Ltd, p. 540.

Letter to http://rotunda.upress.virginia.edu/founders/default.xqy?keys=JSMN-print-01-14-02-0174&mode=deref w:Edmund Pendleton (21 January 1792)
1790s
Context: If Congress can do whatever in their discretion can be done by money, and will promote the general welfare, the Government is no longer a limited one possessing enumerated powers, but an indefinite one subject to particular exceptions. It is to be remarked that the phrase out of which this doctrine is elaborated, is copied from the old articles of Confederation, where it was always understood as nothing more than a general caption to the specified powers, and it is a fact that it was preferred in the new instrument for that very reason as less liable than any other to misconstruction.

Syria in Five Minutes http://www.youtube.com/watch?v=exrqMPJ1Bts
Youtube

First State of the Union Address (1889)

1920s, Second State of the Union Address (1924)

2000s, 2004, Signing of Secure Fence Act of 2006