“The trouble with sharing too many beds was that one’s chance of running into a really bad situation was improved almost to certainty.”

Source: The 7 Habits of Highly Effective People

Source: Witches Abroad

On his election to Académie Française (1955)

Gotthold Ephraim Lessing, as quoted in Dictionary of Quotations from Ancient and Modern English and Foreign Sources (1899) by James Wood, p. 61; usually attributed to Doris Lessing in the form: "Man — who is he? Too bad, to be the work of God: Too good for the work of chance!"
Misattributed

Der Mensch, wo ist er her?
Zu schlecht für einen Gott, zu gut fürs Ungefähr.
As quoted in Dictionary of Quotations from Ancient and Modern English and Foreign Sources (1899) by James Wood, p. 61
Variant: Man — who is he? Too bad to be the work of God; Too good for the work of chance!

Part I : Ambiguity and Freedom http://www.marxists.org/reference/subject/ethics/de-beauvoir/ambiguity/ch01.htm
The Ethics of Ambiguity (1947)
Context: At the present time there still exist many doctrines which choose to leave in the shadow certain troubling aspects of a too complex situation. But their attempt to lie to us is in vain. Cowardice doesn’t pay. Those reasonable metaphysics, those consoling ethics with which they would like to entice us only accentuate the disorder from which we suffer.

Source: The Autobiography of Malcolm X

Dodsworth, Ch. 10 http://books.google.com/books?id=_nL1PGgdVDIC&q=%22The+trouble+with+this+country+is%22+%22that+there're+too+many+people+going+about+saying%22&pg=PA82#v=onepage (1929)

Quoted in Sy Safransky: Sunbeams: a book of quotations, (1990), Page 124 http://books.google.co.uk/books?id=A5NiEt9h2AIC&pg=PA124&dq=%22Trouble+is+a+part+of+your+life,+and+if+you+don%27t+share+it,%22&hl=en&sa=X&ei=4IUxT6rKFMzfsgbC6tyVBA&ved=0CDYQ6AEwAQ#v=onepage&q=%22Trouble%20is%20a%20part%20of%20your%20life%2C%20and%20if%20you%20don%27t%20share%20it%2C%22&f=false