Difficulty Quote by Arthur Conan Doyle

“Most people would have difficulty explaining how they know two and two make four.”

— Liu Cixin

I know that two and two make four - and should be glad to prove it too if I could - though I must…

— Lord Byron

The man who has learned that three plus one are four doesn't have to go through a proof of that assertion with coins, or…

— Jorge Luis Borges

Two plus two is not sometimes equal to four ... It is equal to four plus one because one is a powerful amalgamation.

— Enock Maregesi

“There comes a time in history when the man who dares to say that two and two make four is punished with death. The…

— Albert Camus

In England it is bad manners to be clever, to assert something confidently. It may be your own personal view that two and two…

— George Mikes

Even God cannot make two times two not make four.

— Hugo Grotius

But again and again there comes a time in history when the man who dares to say that two and two make four is…

— Albert Camus

“It may be conceded to the mathematicians that four is twice two. But two is not twice one; two is two thousand times one.”

— G. K. Chesterton

Even though two and two might look like four, it could be three or five.

— Kevin Keegan

Ah! why, ye Gods, should two and two make four?

— Alexander Pope

What's important is that twice two is four and all the rest's nonsense.

— Anonymous