‘Multiple exclamation marks are a sure sign of a diseased mind.’ from Terry Pratchett's Discworld novel Eric.
Concerning Exclamation marks, Mark Twain said in his essay 'How to Tell a Story' whooping exclamation points make him want to renounce joking and lead a better life.
And F. Scott Fitzgerald said Cut out all these exclamation points. It's like laughing at your own joke.
I must have a diseased mind then because I noticed I tend to use a lot of exclamation points! Oops, there I did it again. I'll try harder not to.
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