My expression - Arising tide lifts all boats

1. Tuesday, October 3, 1963.
2. I saw this expression online http://www.heraldtribune.com/ when I was reading article about the US elections.
3. It is a saying or it could also be called an idiomatic expression, which was pronounced the first by John F Kennedy.
4. Yesterday, in trying to look for an article about US elections on Google, I found a piece of writing called “A rising tide lifts all boats.” The women’s good condition is the main idea of this editorial, but the title of the article seemed a little bit difficult for me. I decide to ask to my host family the signification of the sentence. The explanation of the expressed idiom was very interesting; this phrase was said by John Fitzgerald Kennedy to describe the idea that when an economy is developing well, all people will benefit from it. This clarification has made me understand more deeply the theme of the piece of writing; when women are in good condition, all of the people around them will benefit from it.