“At every crisis in one's life, it is absolute salvation to have some sympathetic friend to whom you can think aloud without restraint or misgiving.”

Source: The End of the Affair

Source: The Gospel of Sri Ramakrishna (1942), p. 134
Context: Brahman and Śakti are identical. If you accept the one, you must accept the other. It is like fire and its power to burn. If you see the fire, you must recognize its power to burn also. You cannot think of fire without its power to burn, nor can you think of the power to burn without fire. You cannot conceive of the sun's rays without the sun, nor can you conceive of the sun without its rays. You cannot think of the milk without the whiteness, and again, you cannot think of the whiteness without the milk. Thus one cannot think of Brahman without Śakti, or of Śakti without Brahman. One cannot think of the Absolute without the Relative, or of the Relative without the Absolute.

Source: Is Everyone Hanging Out Without Me?

Source: The Stone Diaries

“Bet your sweet soul.”
Source: Eye in the Sky (1957), Chapter 5 (p. 66)

Many sources attribute this quote to Brown without giving a specific reference to her writings. The earliest located is the following variation from p. 47 of Musgrave Landing: Musings on the Writing Life by Susan Musgrave (1994), which Musgrave quotes as "Rita Mae Brown's warning": "If you become the kind of writer who calls forth heated emotional states, be careful. There are a lot of unbalanced people out there. The statistics on insanity are that one out of every four people is suffering from some form of mental illness. Think of your three best friends. If they're okay, then it's got to be you."
Disputed

Reflections of a Siamese Twin (1997)

The Wheel of Fortune (1984), Part 2: Ginevra