My publisher told me that the number of readers of this book will be inversely proportional to the number of equations it contains. -Stephen Hawking

What truly is logic? Who decides reason? [...] It is only in the mysterious equations of love that any logic or reason can be found. -John Nash

One must divide one's time between politics and equations. But our equations are much more important to me, because politics is for the present, while our equations are for eternity. -Albert Einstein

A mathematician believes that describing the speed of Mercury with equations amounts to science. -Bill Gaede

Equations are just the boring part of mathematics. I attempt to see things in terms of geometry. -Stephen Hawking

I'm very well acquainted too with matters mathematical, I understand equations, both the simple and quadratical, About binomial theorem I'm teeming with a lot of news-- With many cheerful facts about the square of the hypotenuse.

Yes, we have to divide up our time like that, between our politics and our equations. But to me our equations are far more important, for politics are only a matter of present concern. A mathematical equation stands forever. -Albert Einstein

Concern for man himself and his fate must always form the chief interest of all technical endeavor. Never forget this in the midst of your diagrams and equations. -Albert Einstein

Equations are the devil's sentences. -Stephen Colbert