Mark Twain: Take care of your ilusions
Don't part with your illusions.
When they are gone you may still exist, but you have ceased to live.
Samuel Langhorne Clemens (Florida, MO November 30, 1835 - Redding CT,April 21, 1910), better known by his pen name Mark Twain, was an American author and humorist. He wrote The Adventures of Tom Sawyer (1876) and its sequel, Adventures of Huckleberry Finn (1885), the latter often called "the Great American Novel."