Is it ever correct to use the word that (or any other word) three consecutive times? For example,
By reading Nietzsche I learned that that that does not kill me makes me stronger.
Is it ever correct to use the word that (or any other word) three consecutive times? For example,
By reading Nietzsche I learned that that that does not kill me makes me stronger.
Your example sentence is correct, but I would rewrite it to avoid difficulty in reading and parsing. For example,
By reading Nietzsche, I learned that what does not kill me makes me stronger.
Plus one for Will's answer, well put. It is technically correct to use a single word many times, but can be extremely difficult to understand. The canonical example of this, I submit for your consideration, and amusement:
http://en.wikipedia.org/wiki/Buffalo_buffalo_Buffalo_buffalo_buffalo_buffalo_Buffalo_buffalo