According to the Swiss Philosopher Jean-Jacques Rousseau,
one has a certain set of freedoms granted by nature and defined by the actual physical capabilities of our bodies.
He said that we should give up that natural freedom for a set of freedoms within society (social contract).
While we do lose some of our liberty, we gain the capacity to live in a lawful and just society.
In trading one set of rights for another, we can improve our lives.
Freedom is also then the duty for
"responsible economics, for life's sake"
the text on the poster