“A black hole is the ultimate manifestation of a region of strong gravity. The pull of gravity in a black hole is so strong that even light cannot escape from it and time stands still.”
Source: Jayant Narlikar Black Holes http://books.google.com/books?id=8qi55iSSeiwC, National Book Trust, India, 1 January 2006
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Jayant Narlikar 36
Indian physicist 1938Related quotes

[Black Holes and Entropy, Phys. Rev. D, 7, 8, 2333–2346, 15 April 1973, 10.1103/PhysRevD.7.2333]
“anymore time in that black hole and ill go insane.”
Source: Intertwined

[Nonexistence of baryon number for black holes. II, Physical Review D, 5, 10, 15 May 1972, 2403–2412, 10.1103/PhysRevD.5.2403]

“thus, in a sense, we are all doomed. even if we stay away from black holes”

“So whereabouts in my body might there be a black hole?”
The Enemies of Reason (August 2007)

Mathur, Samir D. "What exactly is the information paradox? http://books.google.com/books?id=RfDUXYSSyA0C&pg=PA3." In Physics of Black Holes, pp. 3–48. Springer, Berlin, Heidelberg, 2009. (quote from p. 3)

“Black holes are where God divided by zero.”
[The information paradox, arXiv preprint arXiv:hep-th/0612061v2, 14 December 2006, http://arxiv.org/abs/hep-th/0612061] (See also Thorne-Hawking-Preskill bet.)