The senses should be capable of enduring everything without disgust or displeasure, but at the same time they must acquire and develop more and more the power of discerning the quality, origin and effect of the various vital vibrations in order to know whether they are favourable to harmony, beauty and good health or whether they are harmful to the balance and progress of the physical being and the vital. Moreover, the senses should be used as instruments to approach and study the physical and vital worlds in all their complexity; in this way they will take their true place in the great endeavour towards transformation.
– The Mother