difficult to revive

Because He knew, in this age, Kali-yuga, who is going to observe this varnasrama-dharma? Everyone is sūdra. A sūdra cannot understand this, neither it is possible to bring them back again. Although we are trying, but it is very difficult. Once one has become debauch, to reform him is very difficult. But still there is way. And that way is suggested when... Ramananda Raya suggested that... It is the words of Lord Brahma, that jnane prayasam udapasya: "One should not very much endeavor to speculate, speculating process." Just like these theosophist, the philosophers, the scientist, they, instead of having direct knowledge from the superior, they, more or less, speculate. So one has to give up this speculating habit. If one thinks that "I know. I am very educated. I am very advanced. I can discover what is God," that is not possible. That is not possible. Athapi te deva-padambuja-dvaya-prasada-lesanugrhita eva hi janati tattvam [SB 10.14.29]. You cannot understand God by your speculative method.    (More...)

So in order to get the mercy of guru, so yasya prasadad bhagavat-prasadaḥ, we must search out a bona fide spiritual master, representative of Krsna or Kapiladeva, and then we shall submit and offer service. In this way we shall please the guru, and if he is satisfied, then our business is complete. Yasya prasadad bhagavat-prasado yasyaprasadan na gatiḥ kuto 'pi. This is our... Therefore Caitanya Mahaprabhu recommended this process, this process, jnane prayasam udapasya namanta eva [SB 10.14.3]. The process of understanding or approaching the Supreme Personality of Godhead is this. Caitanya Mahaprabhu approved this when He was discussing with Ramananda Raya.    (More...)