Do the opposite of the following:

You must under no circumstances not avoid not making the bell not ring.

So... do you make the bell ring or not?

There are five negatives. 

1. Not making the bell not ring is a double negative = making the bell ring

2. Not avoid is a double negative that renders itself redundant

3. End up with : you must under no circumstances make the bell ring

4. First line - do the opposite of the following

5. Hence, you need to make the bell ring

= do something right =