“It is impossible to recognize a wrong way without knowing the right way.”
G. I. Gurdjieff (1866–1949) influential spiritual teacher, Armenian philosopher, composer and writer
In Search of the Miraculous (1949), Ch. 10. p. 203
Context: It is impossible to recognize a wrong way without knowing the right way. This means that it is no use troubling oneself how to recognize a wrong way. One must think of how to find the right way.