Quote by Groucho Marx
"If you're not having fun, you're doing something wrong."
More from Groucho Marx
"Outside of a dog, a book is man's best friend. Inside of a dog, it's too dark to read."
"I find television very educating. Every time somebody turns on the set, I go into the other room and read a book."
"Time flies like an arrow. Fruit flies like a banana."
"Those are my principles, and if you don't like them... well, I have others."