This statement made by one of the greatest masters of our modern spiritual era, is so very difficult to understand, even intellectually. The highest spiritual goals he mentions is echoed by all the sages and masters across time and geography.
One cannot pitch up this goal as a choice and work towards it. This Ultimate goal has to be a consequence of elimination of all other goals one may think is worth pursuing!
Neti!Neti! Not this! Not this! Says the scriptures, as the tool, that must be employed by the steel willed seekers!