Noun
the form of theological rationalism that believes in God on the basis of reason without reference to revelation
Source: WordNetRestriction of free thought and free speech is the most dangerous of all subversions. It is the one un-American act that could most easily defeat us. William O. Douglas
The stony-minded orthodox were right in fearing the first movement of new knowledge and free thought. It has gone on, and will go on, irresistibly, until some day we shall have no respect for an alleged "truth" which cannot stand the full blaze of knowledge, the full force of active thought. Charlotte Perkins Gilman
It is our attitude toward free thought and free expression that will determine our fate. There must be no limit on the range of temperate discussion, no limits on thought. No subject must be taboo. No censor must preside at our assemblies. We need all the ingenuity we possess to avert the holocaust. William O. Douglas
You behold in me, Stephen said with grim displeasure, a horrible example of free thought. James Joyce
Some of her answers might excite popular prejudice, but if there is any principle of the Constitution that more imperatively calls for attachment than any other it is the principle of free thought-not free thought for those who agree with us but freedom for the thought that we hate. Oliver Wendell Holmes Jr.
The First Amendment isn't about free thought and free opinion and free belief. The First Amendment is about free exercise--the carrying into practice of religious principles, and beliefs, and convictions. Alan Keyes