“Maturity is simply the process of discovering that everything you believed in when you were young is false and that all the things you refused to believe in turn out to be true.”
Source: The Midnight Palace
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Carlos Ruiz Zafón 149
Spanish writer 1964Related quotes

Pope Urban VIII on Private Revelation http://www.medjugorje.org/purban.htm (2001).
Whether or not Urban VIII said this is debated. He did make a public statement about private revelations and their dissemination in the Catholic Church in his Constitution, Sanctissimus Dominus Noster of 1625-03-13.
Misattributed quotes

“You shouldn't believe everything you hear you're young, not stupid.”
Source: The Wishsong of Shannara

Mock them. Ridicule them. In public. Don't fall for the convention that we're all too polite to talk about religion. Religion is not off the table. Religion is not off limits. Religion makes specific claims about the universe which need to be substantiated and need to be challenged and, if necessary, need to be ridiculed with contempt.
Reason Rally, National Mall, Washington, DC,
http://www.youtube.com/watch?v=Dq7rHRplZKU
YouTube
Richard Dawkins and his Foundation at the Reason Rally
2012-04-07