“Don’t seek peace and happiness with the same people and in the same place where you never found it.”
1978
Related quotes
This has been attributed to Feather in some 21st century publications, but the earliest source yet located is as an anonymous proverb posted in The Poultry Item, Vol. 28 (1925) http://books.google.com/books?id=g71JAAAAYAAJ&q=%22+happiness+and+intelligence+are+so+rarely+found+in+the+same+person%22&dq=%22+happiness+and+intelligence+are+so+rarely+found+in+the+same+person%22&hl=en&sa=X&ei=gYhOU4f6FOW_0AHNpIHQCA&ved=0CFkQ6AEwCA
Disputed

“You can never awaken using the same system that put you to sleep in the first place.”

Horvendile, in The High Place : A Comedy of Disenchantment (1923), Ch. XVI: Some Victims of Flamberge.

Rečnik od tri jezika: s. makedonski, arbanski i turski [Dictionary of Three languages: Macedonian, Albanian, Turkish], U držacnoj štampariji, 1875, p. 48f.
Source: Way of the Peaceful Warrior