... who used to tell that he give a half of money to his wife, and keeps another half "for vice and philanthropy".
It is about
science jokes, I found when searching for info about Lev Landau. There are a few I was actually able to understand
What is set theory?
When there are five people in the room and seven are leaving, two have to
enter the room, so it is empty.
Theorem: Consider the set of all sets that have never been considered.
Hey! They're all gone!! Oh, well, never mind...
The world is divided into two classes:
people who say "The world is divided into two classes",
and people who say
The world is divided into two classes:
people who say: "The world is divided into two classes",
and people who say:
The world is divided into two classes:
people who say ...
An English mathematician (I forgot who) was asked by his very religious
colleague:
Do you believe in one God?
Answer: Yes, up to isomorphism!
What is a compact city?
It's a city that can be guarded by finitely many near-sighted
policemen!
What keeps a square from moving ? why, square roots of course.
How many square roots does it have ? why, 2 obviously.
One attractive young businesswoman to another, over lunch:
My life is all math. I am trying to add to my income, subtract from my
weight, divide my time, and avoid multiplying.