“Prison does strange things to men. Although its purpose is to break the free spirit of a man, in many cases it just adds fuel to the fire that has never been and will never be extinguished.”

section 71 http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A2007.01.0039%3Asection%3D71
Cato Maior de Senectute – On Old Age (44 BC)
Context: When the young die I am reminded of a strong flame extinguished by a torrent; but when old men die it is as if a fire had gone out without the use of force and of its own accord, after the fuel had been consumed; and, just as apples when they are green are with difficulty plucked from the tree, but when ripe and mellow fall of themselves, so, with the young, death comes as a result of force, while with the old it is the result of ripeness. To me, indeed, the thought of this "ripeness" for death is so pleasant, that the nearer I approach death the more I feel like one who is in sight of land at last and is about to anchor in his home port after a long voyage.

Yet Another Effort, Frenchmen, If You Would Become Republicans
Philosophy in the Bedroom (1795)

The Liberty of Man, Woman and Child (1877)
Context: There has never been upon the earth a generation of free men and women. It is not yet time to write a creed. Wait until the chains are broken — until dungeons are not regarded as temples. Wait until solemnity is not mistaken for wisdom — until mental cowardice ceases to be known as reverence. Wait until the living are considered the equals of the dead — until the cradle takes precedence of the coffin. Wait until what we know can be spoken without regard to what others may believe. Wait until teachers take the place of preachers — until followers become investigators. Wait until the world is free before you write a creed.
In this creed there will be but one word — Liberty.

Source: Confessions of Jean-Jacques Rousseau (1765-1770; published 1782), Books VIII-XII, IX

Source: The Ethics of Freedom (1973 - 1974), p. 251
Context: Man himself is exalted, and paradoxical though it may seem to be, this means the crushing of man. Man's enslavement is the reverse side of the glory, value, and importance that are ascribed to him. The more a society magnifies human greatness, the more one will see men alienated, enslaved, imprisoned, and tortured, in it. Humanism prepares the ground for the anti-human. We do not say that this is an intellectual paradox. All one need do is read history. Men have never been so oppressed as in societies which set man at the pinnacle of values and exalt his greatness or make him the measure of all things. For in such societies freedom is detached from its purpose, which is, we affirm, the glory of God.

The Unity of Religious Ideals, Part I : Seeking for the Ideal.
The Spiritual Message of Hazrat Inayat Khan

"Redemption song," Maya Jaggi, The Guardian, December 16, 2006 http://www.guardian.co.uk/books/2006/dec/16/featuresreviews.guardianreview15/.

As quoted in The Violinist's Thumb 2012 by Sam Kean, p. 233
Dubious

Enchantment (1999)