The passing of time will either disprove his judgements or prove them correct. He ought to note carefully this eventual result and compare it with the feelings which possessed him at the time of making his original decisions. In this way he can learn to see for himself the difference between the marks of a true intuition and those of a false one.

-- Notebooks Category 22: Inspiration and the Overself > Chapter 1: Intuition the Beginning > # 215