I am focusing on the "blow my mind" part, rather than the "beautiful" part of your question, but I am certain many philosophically-minded people would consider the following "beautiful".
Peter Singer's argument in "Famine, Affluence, and Morality (1972)" that you and most everyone you know are probably immoral or evil and you don't even realize it. It really affected my ideas of how to strive to live.
Here is a good video explaining the idea in detail, worth 30m of your time.
I am focusing on the "blow my mind" part, rather than the "beautiful" part of your question, but I am certain many philosophically-minded people would consider the following "beautiful".
Peter Singer's argument in "Famine, Affluence, and Morality (1972)" that you and most everyone you know are probably immoral or evil and you don't even realize it. It really affected my ideas of how to strive to live.
Here is a good video explaining the idea in detail, worth 30m of your time.
Peter Singer - ordinary people are evil