“You who make [ idols], that they may be able to be worshipped, do worship; and you worship, not with the spirit of some worthless perfume, but with your own; nor at the expense of a beast's soul, but of your own. To them you immolate your ingenuity; to them you make your sweat a libation; to them you kindle the torch of your forethought. More are you to them than a priest, since it is by your means they have a priest; your diligence is their divinity.”

as quoted in Khushwant Singh, The Freethinker's Prayer Book (2013), p. 35

Source: The Courage to Create (1975), Ch. 1 : The Courage to Create, p. 12

Variant: If you end up with a boring miserable life because you listened to your mom, your dad, your teacher, your priest, or some guy on television telling you how to do your shit, then you deserve it.
Source: The Real Frank Zappa Book (1989), p. 233.

The Notebooks of Leonardo da Vinci (1883), I Prolegomena and General Introduction to the Book on Painting

Poet, Author Alice Walker Meets the Inner Journey with Global Activism in "The Cushion in the Road" http://www.democracynow.org/2013/5/28/poet_author_alice_walker_meets_the (May 28, 2013).

Letter to his son, Webb Hayes (20 March 1890)
Diary and Letters of Rutherford Birchard Hayes (1922 - 1926)

1940s, To Every Briton (1940)
Context: I do not want Britain to be defeated, nor do I want her to be victorious in a trial of brute strength, whether expressed through the muscle or the brain. Your muscular bravery is an established fact. Need you demonstrate that your brain is also as unrivaled in destructive power as your muscle? I hope you do not wish to enter into such an undignified competition with the Nazis. I venture to present you with a nobler and a braver way, worthy of the bravest soldier. I want you to fight Nazism without arms, or, if I am to retain the military terminology, with non-violent arms. I would like you to lay down the arms you have as being useless for saving you or humanity. You will invite Herr Hitler and Signor Mussolini to take what they want of the countries you call your possessions. Let them take possession of your beautiful island, with your many beautiful buildings. You will give all these, but neither your souls, nor your minds. If these gentlemen choose to occupy your homes, you will vacate them. If they do not give you free passage out, you will allow yourself, man, woman and child, to be slaughtered, but you will refuse to owe allegiance to them.
This process or method, which I have called non-violent non-co-operation, is not without considerable success in its use in India. Your representatives in India may deny my claim. If they do, I shall feel sorry for them. <!-- They may tell you that our non-co-operation was not wholly non-violent, that it was born of hatred. If they give that testimony, I won’t deny it. Had it been wholly non-violent, if all the non-co-operators had been filled with goodwill towards you, I make bold to say that you who are India’s masters would have become her pupils and, with much greater skill than we have, perfected this matchless weapon and met the German and Italian friends’ menace with it. Indeed the history of Europe during the past few months would then have been written differently. Europe would have been spared seas of innocent blood, the rape of so many small nations, and the orgy of hatred.