"I admire the elegance of your method of computation; it must be nice to ride through these fields upon the horse of true mathematics while the like of us have

"I admire the elegance of your method of computation; it must be nice to ride through these fields upon the horse of true mathematics while the like of us have to make our way laboriously on foot" - Einstein to Levi-Civita He could grok the math, which was difficult and very new at the time, because he had the best possible teachers.