Top 10 Excuses for Not Turning in Math Homework

10. It's Isaac Newton's birthday.
9. I couldn't decide whether i is the square root of -1 or i are the square root of -1.
8. I accidently divided by 0 and my paper burst into flames.
7. It's stuck inside a Klein bottle.
6. I could only get arbitrarily close to my textbook.
5. I had too much pi and got sick.
4. Someone already published it, so I didn't bother to write it up.
3. A four-dimensional dog ate it.
2. I have a solar calculator and it was cloudy.
1. There wasn't enough room to write it in the margin.

Top Ten Things That Math and Sex Have in Common

10. Explicit discussions of either topic is a faux pas at most cocktail parties.
9. Historically, men have been in control, but there are now efforts to get women more involved.
8. There are many joint results.
7. Both are prominent on college campuses, and are usually practiced indoors.
6. Most people wish they knew more about both subjects.
5. Both involve long and hard problems, and can produce interesting topology and geometry.
4. Both merit undivided attention, but mathematicians are prone to think about one while doing the other.
3. Saint Augustine was hostile to both, and Alan Turing took an unusual approach to both.
2. Both typically begin with a lot of hard work and end with a great but brief reward.
1. Professionals are generally viewed with suspicion, and most do not earn high pay.