When you fear any person, place, thing or condition, you have given something other than God power over you, and that will effect your life in an undesirable way until you change your belief about the false cause of your Good.
"If you feel the shakiness of fear, you can say, 'There is nothing to fear, I am clinging to the loving God.' You can say, 'I will not doubt the Good. I believe in the loving God.' You can say, 'I do not believe in appearances. I believe in God here present in loving kindness.' ...you will find it most comforting in the world to say, 'I do not believe in the power of a whole army of evil conditions. I believe God is bringing us all through safely.'"
Emma Curtis Hopkins, Scientific Christian Mental Practice p.209 (Written in late 1800's)