Fear comes from uncertainty. When we are absolutely certain whether of our worth or worthlessness we are almost impervious to fear.
In its famous paradox the equation of money and excrement psychoanalysis becomes the first science to state what common sense and the poets have long known - that the essence of money is in its absolute worthlessness.
Growing up I was encouraged to get a good education get a real job doing something I enjoyed and should the opportunity present itself consider public service as just that: a chance to serve not an end in itself.