The Wise Silenced
The wise are those unselfish citizens (the selfish are insane) who can use knowledge for sane purposes. However, following the adoption of Political Correctness, the sane quickly discover that it is now:
— thus silencing the wise.
And The Communal Mind Addled
Only the deluded will now engage freely in conversation, which is the mind of society, so making the mind of the community the realm of lunatics, thus addling the communal mind and condemning society.