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“Books are the carriers of civilization. Without books, history is silent, literature dumb, science crippled, thought and speculation at a standstill. Without books, the development of civilization would have been impossible. They are engines of change (as the poet said), windows on the world and lighthouses erected in the sea of time. They are companions, teachers, magicians, bankers of the treasures of the mind. Books are humanity in print.

[Bulletin of the American Academy of Arts and Sciences, Vol. 34, No. 2 (Nov. 1980), pp. 16-32]”
― Barbara Tuchman

“Always do what is right. It will gratify half of mankind and astound the other.”
― Mark Twain

“Books, purchasable at low cost, permit us to interrogate the past with high accuracy; to tap the wisdom of our species; to understand the point of view of others, and not just those in power; to contemplate--with the best teachers--the insights, painfully extracted from Nature, of the greatest minds that ever were, drawn from the entire planet and from all of our history. They allow people long dead to talk inside our heads. Books can accompany us everywhere. Books are patient where we are slow to understand, allow us to go over the hard parts as many times as we wish, and are never critical of our lapses. Books are key to understanding the world and participating in a democratic society.”
― Carl Sagan, The Demon-Haunted World: Science as a Candle in the Dark

“If you want to find out what a man is to the bottom, give him power. Any man can stand adversity — only a great man can stand prosperity. It is the glory of Abraham Lincoln that he never abused power only on the side of mercy”
― Robert Ingersoll