It's better to work with a nice category containing some nasty objects, than a nasty category containing only nice objects. — John C. Baez Copy Share Image
“...the following parable may be useful. Long ago, when shepherds wanted to see if two herds of sheep were isomorphic, they would look for… — John C. Baez Copy Share Image
When somebody says to me-which they do like every 5 years- "How does it feel to be over the hill?" my response is, "I'm… — John C. Baez Copy Share Image
It's better to work with a nice category containing some nasty objects, than a nasty category containing only nice objects. — John C. Baez Copy Share Image
Any effect, constant, theorem or equation named after Professor X was first discovered by Professor Y , for some value of Y not equal… — John C. Baez Copy Share Image
