Susan B. Anthony said that quote
Susan B. Anthony
Said is already in the past tense. It's the past tense of say.
infinitive: say past: said past participle: said
The past participle of "said" is the same as the past tense, hence it's "said"
Present: say past: said Past Participle: said
"The word impossible is not in my dictionary" was said by Napoleon Bonaparte.
The simple past tense and past participle are both said.
The past tense of "says" is "said."
"Said" is not an example of past tense; it is the past participle of the verb "say." In past tense, it would be "said."
"Said" is the past tense of the verb "say." It is used to refer to something that was spoken or communicated in the past.
The past tense of say is said.