On one occasion he warned that many local anti-communist movements constituted a "general attack not only on schools and colleges and libraries, on teachers and textbooks, but on all people who think and write ... in short, on the freedom of the mind".
一次，他警告许多反共运动成了“不单单是对学校、大学和图书馆，教师和教科书的攻击，而是针对所有思考和写作的人们简而言之，针对自由的思想”。