Fluorine has a protecting action against caries, but this is a local effect. If you drink it, you are running the risk of all kinds of toxic actions.
“Well, I just can't play the game anymore. I'm 63 years old, and I've been in the business for 40 years now. I take good advice and direction really well, but I don't need somebody that finished college two years ago to come in and tell me what I should be recording.”
“I dream that someday the step between my mind and my finger will no longer be needed. And that simply by blinking my eyes, I shall make pictures. Then, I think, I shall really have become a photographer.”