L. Frank Baum Quote

It's merely a question of mathematics. I've seen the professor work lots of sums on the blackboard, and he claimed anything could be done with x's and y's and a's, and such things, by mixing them up with plenty of plusses and minuses and equals, and so forth.

The Marvelous Land of Oz, Chapter 19 (p. 224), The Reilly & Britton Co. 1904

It's merely a question of mathematics. I've seen the professor work lots of sums on the blackboard, and he claimed anything could be done with x's...

It's merely a question of mathematics. I've seen the professor work lots of sums on the blackboard, and he claimed anything could be done with x's...

It's merely a question of mathematics. I've seen the professor work lots of sums on the blackboard, and he claimed anything could be done with x's...

It's merely a question of mathematics. I've seen the professor work lots of sums on the blackboard, and he claimed anything could be done with x's...