Leonellus theorem

"If you can't say it on Twitter (or X), don't say it."

According to Leonellus' theorem (or X's theorem / Twitter's theorem):

- If you don't think you can say it on Twitter, don't say it.

- If you think you can say it on Twitter, think again.

- If you can say it on Twitter, then all is well.

According to Leonellus theorem :

Case 1 : "Hey man, you're such a society's waste", don't say it.
Case 2 : "I think black people must not live in Europe", think again.
Case 3 : "I love everyone", everything's fine.