Concepts Quote by Edward Charles Titchmarsh

Analysis does not owe its really significant successes of the last century to any mysterious use of sqrt(-1), but to the quite natural circumstances…

— Leopold Kronecker

The human brain finds it extremely hard to cope with a new level of abstraction. This is why it was well into the eighteenth…

— Keith Devlin

That this subject [of imaginary magnitudes] has hitherto been considered from the wrong point of view and surrounded by a mysterious obscurity, is to…

— Carl Friedrich Gauss

“This is all so silly,' said Diko. 'Who cares about what's real and what isn't real? [...] And as for our own history, the…

— Orson Scott Card

No one fully understands spinors. Their algebra is formally understood but their general significance is mysterious. In some sense they describe the 'square root'…

— Michael Atiyah

In real life a right-angled triangle is very unlikely to have a square on its hypotenuse.

— H. F. Ellis

Imagine a person with a gift of ridicule [He might say] First that a negative quantity has no logarithm; secondly that a negative quantity…

— Augustus De Morgan

Squaring numbers is a symmetrical process that I like very much. And when I divide one number by another, say, 13 divided by 97,…

— Daniel Tammet

Square root of a cosine? How is that ever going to be useful?

— Aprilynne Pike

This ambiguity is another example of a growing problem with mathematical notation: There aren't enough squiggles to go around.

— Jim Blinn

Mathematicians enjoy thinking about the simplest possible things, and the simplest possible things are imaginary.

— Paul Lockhart

If I seem like a radical it's because I have seen things that others have not.

— Sylvia Earle