One of the ways to overcoming fear is comprehending what fear is. Fear is entirely subjective, so without subjectivity there is no fear. By subjective, I mean one's mental blockation on particular perceptions or/and preferences. Personal preference and interpretation is quite convenient to have, since it leads to diversity and such, but don't be blinded by them.
Next, fear is also dependend on some form of pain. Without the perception of pain, there is - again - no fear. More than that, pain is also a rudimentary element of bodily/platformal damage assessment systems. Besides there being more complex and efficient systems that do this, any such system also implies some manner of susceptibility to damage and destructive force.
Now, if something is genuinely infinite and veyond infinite, as well as genuinely unlimited, then everythins is such as well. Therefore, limits and limitations are merely figments of perception. I'm talking about things that extend beyond the perception of the physical, 5-sense of "reality", as well as to the notion that we're all infinite and more than infinite, but our incarnate personas don't remember that yet. Not entirely. We are remembering, though.
Anyway, on an esoteric level, what you fear you attract because you obsess on it. So, that becomes your imagination of your reality and thus it's what you bring into your life's experience. When you no longer fear anything, your life will change significantly, even though it might not be immediately obvious to the brain or/and incarnate mind when you first make such a choice.
Anyway, love and reason, awareness and comprehension... among other things...