It can be of no practical use to know that Pi is irrational, but if we can know, it surely would be intolerable not to know..

I met a man once who told me that far from believing in the square root of minus one, he didn't believe in minus one. This is at any rate a consisten….

There are certainly people who regard √2 as something perfectly obvious but jib at √-1. This is because they think they can visualise the former as s….

Many of the proofs in mathematics are very long and intricate. Others, though not long, are very ingeniously constructed..

Perhaps the most surprising thing about mathematics is that it is so surprising..

Perhaps the most surprising thing about mathematics is that it is so surprising. The rules which we make up at the beginning seem ordinary and inevit….

Algebra goes to the heart of the matter at it ignores the casual nature of particular cases..