“Both propose a reward for mere belief, and a penalty for simple unbelief; rewards and punishments being, by the way, very disproportionate. Thus they reduce everything to the scale of a somewhat unrefined egotism; and their demoralizing effects become clearer to every progressive age.”

Salon interview (2000)
Context: In the old movies, yes, there always was the happy ending and order was restored. As it is in Shakespeare's plays. It's no disgrace to, in the end, restore order. And punish the wicked and, in some way, reward the righteous.

Man and Socialism in Cuba (1965)

Source: Breathless

Source: Punished by Rewards, Chapter 4

"The Christian Religion" The North American Review, August 1881 http://books.google.com/books?id=OPmfAAAAMAAJ&q=%22There+are+in+nature+neither+rewards+nor+punishments+there+are+consequences%22&pg=PA14#v=onepage http://ebooks.library.cornell.edu/cgi/t/text/pageviewer-idx?c=nora&cc=nora&view=image&seq=121&idno=nora0133-2
Variants:
We must remember that in nature there are neither rewards nor punishments there are consequences. The life and death of Christ do not constitute an atonement. They are worth the example, the moral force, the heroism of benevolence, and in so far as the life of Christ produces emulation in the direction of goodness, it has been of value to mankind.
As published in Some Reasons Why (1895) http://www.infidels.org/library/historical/robert_ingersoll/some_reasons_why.html
In nature, there are neither rewards nor punishments — there are consequences.
Letters and Essays, 3rd Series. Some Reasons Why, viii.
Source: The Christian Religion An Enquiry
Context: There are in nature neither rewards nor punishments — there are consequences. The life of Christ is worth its example, its moral force, its heroism of benevolence.

Source: The Little Big Things: 163 Ways To Pursue Excellence (2010), p. 53.