People demand freedom of ...

People demand freedom of speech as a compensation for the freedom of thought which they seldom use.
People demand freedom of speech as a compensation for the freedom of thought which they seldom use.

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All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.
I know but one freedom and that is the freedom of the mind.
 Antoine de Saint-Exupéry
Freedom is not worth having if it does not connote freedom to err.
The amount of happiness that you have depends on the amount of freedom you have in your heart.
 Thích Nhất Hạnh
Without freedom of thought, there can be no such thing as wisdom - and no such thing as public liberty without freedom of speech.

Quotes from the same author

Learning to know anxiety is an adventure which every man has to affront if he would not go to perdition either by not having known anxiety or by sinking under it. He therefore who has leaned rightly to be in anxiety has learned the most important thing.
Not just in commerce but in the world of ideas too our age is putting on a veritable clearance sale. Everything can be had so dirt cheap that one begins to wonder whether in the end anyone will want to make a bid.
It is a very curious thing about superstition. One would expect that the man who had once seen his morbid dreams were not fulfilled would abandon them for the future; but on the contrary they grow even stronger just as the love of gambling increases in a man who has once lost in a lottery.
The gods were bored and so they created man. Adam was bored because he was alone, so Eve was created. Thus boredom entered the world, and increased in proportion to the increase in population. Adam was bored alone, then Adam and Eve were bored together; them Adam and Eve and Cain and Abel were bored en famille; then the population of the world increased, and the people were bored en masse.
Christianity does not oppose debauchery and uncontrollable passions and the like as much as it opposes... flat mediocrity, this nauseating atmosphere, this homey, civil togetherness, where admittedly great crimes, wild excesses, and powerful aberrations cannot easily occur - but where God's unconditional demand has even greater difficulty in accomplishing what it requires: the majestic obedience of submission.