but it cannot continue. our constitution, foundation of our republic, the principals of our freedom forbid it. and the law i will sign tonight forbids it. [ applause ] >> senator hubert humphrey has called the civil rights bill the greatest piece of social legislation of our generation. >> tell somebody my stamp, make sure we get some more pens here. >> the civil rights act of 1964 is not going to create instant brotherhood. no one pretends that.