The forms of the central and surrounding deities... should not be protruding like a clay statue or cast image, yet neither should they be flat like a painting. In contrast, they should be apparent, yet not truly existent, like a rainbow in the sky or...
Just calling one's practice "approach and accomplishment" and staying in retreat for years will produce nothing but hardship. Completing hundreds of millions of mantras will not even bring the warmth of the ordinary qualities that mark one's progress...