I felt a cleaving in my mind
As if my brain had split;
I tried to match it, seam by seam,
But could not make them fit.
The thought behind I strove to join
Unto the thought before,
But sequence ravelled out of reach
Like balls upon a floor.
Emily Dickinson
http://www.poemhunter.com/poem/i-felt-a-cleaving-in-my-mind/
