“To think bad thoughts is really the easiest thing in the world. If you leave your mind to itself it will spiral down into ever-increasing unhappiness. To think good thoughts, however, requires effort. This is one of the things that discipline — training — is about.”
Source: Shōgun (1975), Ch. 5
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James Clavell 55
American novelist 1921–1994Related quotes
Karma yoga
Source: The Teachings of Babaji, 17 November 1983.

“Nothing is really good or bad in itself — it’s all what a person thinks about it.”

“It is so hard to leave—until you leave. And then it is the easiest goddamned thing in the world.”
Quentin "Q" Jacobsen, p. 229
Paper Towns (2008)

On the end of Gilmore Girls, while taping an interview for the May 8, 2007 Ellen DeGeneres Show
Gilmore's Graham: Cancellation Is "Best" for Show, TVGuide.com, 2007-05-04 http://community.tvguide.com/blog-entry/TVGuide-Editors-Blog/Todays-News/Gilmores-Graham-Cancellation/800014283,

Source: Striking Thoughts (2000), p. 43