Which feature of modern western thought is most influenced by the practices of socrates?

"Freedom of speech" is the feature of modern Western thoughts that is most influenced by the practices of Socrates. Socrates was born on 469 BC and died in 399 BC. Freedom of speech is the power gioven to coomon people to exercise their right to speak and share ideas without the fear of any retaliation from the Government. Although government tries to restrict this freedom of speech under certain conditions like using slang, obsenity, copyright violations, trade secrets and variety of other cases. Certain speech codes that are applied in State schools also restricts the freedom of speech.