Jane Eyre explains her thoughts of presentiments, sympathies, and signs at the start of chapter 20:
Presentiments are strange things! and so are sympathies; and so are signs; and the three combined make one mystery to which humanity has not yet found the key.
Here, Jane introduces her superstitious beliefs. After, she elaborates on each of these three words.
I never laughed at presentiments in my life, because I have had strange ones of my own. (chapter 20)
Presentiments are predictions or premonitions about the future. Jane believes in presentiments because she has experienced moments where her gut feelings predicted future events.
Sympathies, I believe, exist (for instance, between far-distant, long-absent, wholly estranged relatives asserting, notwithstanding their alienation, the unity of the source to which each traces his origin) whose workings baffle mortal comprehension.
Sympathies, she explains, are common understandings or emotions between different individuals. There is an...
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