The whole of "Light on the Path" is written in an astral cipher and can therefore only be deciphered by one who reads astrally. And its teaching is chiefly directed towards the cultivation and development of the astral life. Until the first step has been taken in this development, the swift knowledge, which is called intuition with certainty, is impossible to man. And this positive and certain intuition is the only form of knowledge which enables a man to work rapidly or reach his true and high estate, within the limit of his conscious effort. To obtain knowledge by experiment is too tedious a method for those who aspire to accomplish real work; he who gets it by certain intuition, lays hands on its various forms with supreme rapidity, by fierce effort of will; as a determined workman grasps his tools, indifferent to their weight or any other difficulty which may stand in his way. He does not stay for each to be tested--he uses such as he sees are fittest. All the rules contained in "Light on the Path," are written for all disciples, but only for disciples---those who "take knowledge." To none else but the student in this school are its laws of any use or interest. To all who are interested seriously in Occultism, I say first--take knowledge. To him who hath shall be given. It is useless to wait for it. The womb of Time will close before you, and in later days you will remain unborn, without power. I therefore say to those who have any hunger or thirst for knowledge, attend to these rules. They are none of my handicraft or invention. They are merely the phrasing of laws in super-nature, the putting into words truths as absolute in their own sphere, as those laws which govern the conduct of the earth and its atmosphere. The senses spoken of in these four statements are the astral, or inner senses. No man desires to see that light which illumines the spaceless soul until pain and sorrow and despair have driven him away from the life of ordinary humanity. First he wears out pleasure; then he wears out pain--till, at last, his eyes become incapable of tears.