1215: Q & A Volume 203

Can you please clarify the difference between imperfect senses and being illusioned as described in Vedic epistemology? / Can you share your thoughts about depression and the need for a guide to study Bhagavad-gita? / Is there any scriptural advice for a situation regarding the heart hardening to those who have done us wrong? / Do you have any practical guidance on studying Bhagavad-gita?