Leszek Kołakowski
In his younger days he was a communist. But he could see the problems with the Soviet type of speech control. In 72 definitions of What Socialism is not he said "Socialism is not: a society in which one man is in trouble for saying what he thinks, while another is well-off because he does not say what he has on his mind; a society in which a man lives better if he doesn't have any thoughts of his own at all; a state which has more spies than nurses and more people in prison than in hospital; a state in which the philosophers and writers always say the same as the generals and ministers – but always after they've said it…".