Books tap the wisdom of our species -- the greatest minds, the best teachers -- from all over the world and from all our history. And they're patient.
Source: In Parade, with Ann Druyan, 6 Mar 1994
-- Carl Sagan, (Nov 9 1934-1996), US astronomer; He provided insight in the origin of life by producing amino acids in a mixture of chemicals irradiated by ultraviolet light; wrote Contact.