Initially he was happy and did refer me to a couple of profs. But towards the end, he reasoned that I lacked the understanding of the subject and so not competent enough for a PhD. I agree to his concerns, since I was studying this concept for the first time (for my thesis) and took extra time to write my thesis. On the other hand I'm very passionate about this particular subject and intend to pursue an academic career in this field. I did manage to get a decent score for my thesis (15/20) and graduated with cum laude. I took some advice and decided to try for a short-term internship/research assistant position. But it was the same situation where a reference from proj supervisor was asked. 4 months down the lane, I have seen the various weird reasons professors give to not accept me. 2 questions: 1. Its been 4 months since I graduates, so how long should I continue the search? 2.should I give up and take up some job since nothing will move forward without a recommendation?