He once said about a long paper bristling with formulas that it contained the vague beginnings of an idea which he could only hint at and which he had never managed to bring out more clearly.
Siya ng isang beses sinabi tungkol sa isang mahabang papel bristling sa formula na ito ay naglalaman ng hindi malinaw masimulan ng isang ideya na kung saan ay siya lamang magparamdam at kung saan siya had hindi pinamamahalaang sa labasan mas malinaw.