Small Alphabet

“What about using the letter ‘f’?”

“That is a special symbol that’s reserved! You can’t just use an ‘f’ wherever you want. People will get confused. Think of the children!”

Second Atop the Mountain

“I knew I should have updated my copy of The Researcher’s Field Guide to Unclimbed Mountains.”

Where Are Your Weaknesses?

Whenever something looks trivial in mathematics, don’t skip it!

Not Just a Simple Problem

“Let’s take something you already know, and crank up the sophistication levels to 11.”

Back of the Book

I’ll just look for a quick hint.