Related:

• In a museum in Havana, there are two skulls of Christopher Columbus, "one when he was a boy and one when he was a man.
  -- Mark Twai...
• There are two times in a man's life when he should not speculate
  when he can't afford it, and when he can. -- Mark Twai...
• When I was a boy of fourteen, my father was so ignorant I could hardly stand to have the old man around.
  But when I got to be twenty-one, I was astonished at how much he had learned in seven years....
• The radical of one century is the conservative of the next.
  The radical invents the views. When he has worn them out, the conservative adopts them....
• A man is never more truthful than when he acknowledges himself a liar. -- Mark Twai
• The second reason that inspired the Admiral [Columbus] to launch his enterprise and helped justify his giving the name 'Indies' to the lands which he discovered was the authority of many learned men who said that one could sail westward from the western end of Africa and Spain to the eastern end of India
  and that no great sea lay between. -- Ferdinand Columbus, son of Christopher Columbus, -- The Life of the Admiral Christopher Columbus, ca....
• When I was fourteen years old, I was amazed at how unintelligent my father was.
  By the time I turned twenty-one, I was astounded how much he had learned in the last seven years....