Structural insight

you wouldn't believe the kind of hate mail I get about my work on irregular verbs — Stephen Pinker , in an interview with The Guardian...

Tempora mutantur, nos et mutamur in illis. (Times change, and we change with them.) — Latin Adage , 16t‍h-century Germany. I want to u...

They [quaternions] are relatively poor 'magicians'; and, certainly, they are no match for complex numbers in this regard. — Roger ...