Your core values and beliefs aren't very compatible with your friend's personality, and you may both experience some resulting tension as you get to know each other better. The ways in which you ordinarily learn and expand your horizons will run counter to the ways in which your friend naturally behaves and expresses themselves, and you'll both feel limited as a result of this disconnect. You just have different ideas, both of which deserve respect.
At a deeper level, your beliefs may somehow seem threatening to your buddy, but you are likely to simply brush any concerns aside, opting instead for blind optimism -- which isn't always as helpful as it may seem. Open, honest communication will be necessary here.