Rules of entry to Ashram is sacrifice of ego desires or motivations. Which is firstly to abstain from all forms of intoxicants (i.e. alcohol, nicotine, caffeine, all illegal drugs and even prescription mood altering drugs); that will only dull the mind and hinder receptivity in gaining spiritual truth.
When studying Buddhism enlightenment path you will find out, all about the holy eightfold path with the four noble truths. This knowledge is certainly very useful and practical in nature. As it is based on the third ray of active intelligence; which in simple language is called common sense. Particularly so for querents who first step upon the spiritual path; when beginning their journey of discovery in working out how life functions.