People don't get better, they just get smarter. When you get smarter you don't stop pulling the wings off flies, you just think of better reasons for doing it.
 ~ 
Carrie
 by 
Stephen King
"I am as ready to obey as a child;—but, not being a child, I think I ought to have a reason."
 ~ 
The Prime Minister
 by 
Anthony Trollope
Lovers and madmen have such seething brains,
Such shaping fantasies, that apprehend
More than cool reason ever comprehends.
 ~ 
A Midsummer Night's Dream
 by 
William Shakespeare
Reason is the first victim of strong emotion.
 ~ 
Dune Messiah
 by 
Frank Herbert
"It is a great misfortune to be alone, my friends; and it must be believed that solitude can quickly destroy reason."
 ~ 
The Mysterious Island
 by 
Jules Verne
He had, in fact, got everything from the church and Sunday School, except, perhaps, any longing whatever for decency and kindness and reason.
 ~ 
Elmer Gantry
 by 
Sinclair Lewis
 It stands to reason that he who would cure a moral ailment must be practically acquainted with it in all its bearings.
 ~ 
Erewhon
 by 
Samuel Butler
No man burdens his mind with small matters unless he has some very good reason for doing so.
 ~ 
A Study in Scarlet
 by 
Sir Arthur Conan Doyle
I loved her against reason, against promise, against peace, against hope, against happiness, against all discouragement that could be.
 ~ 
Great Expectations
 by 
Charles Dickens
Our civilization is still in a middle stage, scarcely beast in that it is no longer wholly guided by instinct; scarcely human, in that it is not yet wholly guided by reason.
 ~ 
Sister Carrie
 by 
Theodore Dreiser