Start with the phrase
I'm not a fat hen.
and perform the following steps in some order to find a famous quotation:
- Add a letter.
- Remove a letter.
- Add a word.
- Remove a word.
- Join two words.
- Split a word.
- Change a letter.
- Rearrange words.
Note: You can ignore punctuation, and add/remove punctuation as required, at any point.
Thus, I'm
is one word.