I am strongly convinced that ...
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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
In science one must search for ideas. If there are no ideas, there is no science. A knowledge of facts is only valuable in so far as facts conceal ideas: facts without ideas are just the sweepings of the brain and the memory.
Vissarion Belinsky
The object of a comedy is not to correct morals or ridicule the vices of society; no, a comedy should depict the discrepancies between life and purpose, should be the fruit of bitter indignation aroused by the degradation of human dignity, should be sarcasm, and not an epigram, convulsive laughter and not an amused grin, should be written with bile and not diluted salt, in a word, it should embrace life in its highest significance.
Vissarion Belinsky