Heeby-jeebies is used to indicate fear, trepidation etc. I haven't checked it but I fancy it is a version of the things medieval people would mutter to embolden themselves in such a situation... "Here be Jesus, Here be Jesus"
In the Anglican prayer book the night time prayer up to 1960s was
" From Ghoulies and Gheesties and all wicked beasties and things that go bump in the night Good Lord deliver us."
Travel! Set out and head for pastures new[br] Life tastes the richer when you’ve road worn feet.[br]Ibn Battuta[br]