- Главное, делайте всё с увлечением, это страшно украшает жизнь.
- It is important to do everything with passion, it embellishes life enormously.
- in a letter to his niece Maya Bessarab, as quoted by her in Lev Landau, biography. Moscovskiy Rabochiy (Moscow Worker). 1971.
- This work contains many things which are new and interesting. Unfortunately, everything that is new is not interesting, and everything which is interesting, is not new.
- We mathematicans are all a bit crazy.
- A method is more important than a discovery, since the right method will lead to new and even more important discoveries.
- reported by Lance Dixon