In my paper the fact the XY was not equal to YX was very disagreeable to me. I felt this was the only point of difficulty in the whole scheme...and I was not able to solve it.
![In my paper the fact the XY was not equal to YX was very disagreeable to me. I felt this was the only point of difficulty in the whole scheme...and I was not able to solve it.](http://cdn.quoteddaily.com/images/werner-heisenberg/in-my-paper-the-fact-the-xy-was-not-equal-to-yx-was-very-disagreeable-to-me-i-felt-this.jpg)
In my paper the fact the XY was not equal to YX was very disagreeable to me. I felt this was the only point of difficulty in the whole scheme...and I was not able to solve it.