Without magic, there is no art. Without art, there is no idealism. Without idealism, there is no integrity. Without integrity, there is nothing but production.
The desires， and other passions of man， in themselves， are in his own power； his real difficulties are， to know when they are to be controlled， and when not.
I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.
