All women ... were calculating—even if their calculations took place somewhere south of their conscious awareness. All women weighed and measured; did not always listen to the results rationally, but made efforts in that direction that most men I knew could not duplicate or understand. 

Greg Bear,  Legacy

Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of our people need it sorely on these accounts. Broad, wholesome, charitable views of men and things can not be acquired by vegetating in one little corner of the earth all one's lifetime.

 Mark Twain, The Innocents Abroad