“In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken," and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.”

Source: The Magic of Reality: How We Know What's Really True

Source: Mr. Arkadin

Source: Barbarian Sentiments - How The American Century Ends (1989), Chapter 4, The Soviet Union, p. 107.

Source: Fire and Hemlock

Source: The Alchemist

Variant: If someone is really close with you, your getting upset or them getting upset is okay, and they don't change because of it. It's just part of the relationship. It happens. You deal with it.
Source: Just Listen

the media
Geeta Basra about their impending wedding, quoted on sports.ndtv, "Harbhajan Singh's Passion and Humility a Source of Inspiration for Girlfriend Geeta Basra" http://sports.ndtv.com/cricket/news/243922-harbhajan-singh-s-passion-and-humilty-a-source-of-inspiration-for-girlfriend-geeta-basra, June 17, 2015.
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Source: Dash & Lily's Book of Dares

Source: Thud!