Who said "One's duty is to speak the truth and to expose lies."?

This quote is attributed to Michel Foucault.

One's duty is to speak the truth and to expose lies. - Michel Foucault

"One's duty is to speak the truth and to expose lies."

Michel Foucault Justice

Philosopher, Theorist French 1926–1984

"Knowledge is power"

"I am no bird; and no net ensnares me; I am a free human being with an independent will"

"Man is neither good nor evil, he is born neutral"

"Truth is a thing of this world"

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."