This is the 14th most frequent French word.
ne
The French word "ne" is a particle used in negation, typically paired with another word like "pas" to mean "not."
In this sentence, 'ne' is part of the negation construction 'ne...pas,' used to negate the verb 'sais' (know).
Je ne sais pas.
I don't know.
Here, 'ne' is used with 'jamais' to express negation meaning 'never,' negating the action of eating in the verb 'mange' (eats).
Il ne mange jamais.
He never eats.
In this case, 'ne' is used with 'trompe pas' to negate the reflexive verb 'me trompe,' indicating the condition of not being mistaken.