Those words do not refer to any kind of morbid terror but, rather, to an intense desire to do what is right, a respect so intense and sincere as to be characterized by nervous trembling.
See ei viita mitte ängistavale hirmule, vaid hoopis palavale soovile teha seda, mis on õige, austusele, mis on niivõrd sügav ja siiras, et tekitab värinat.