A Latin phrase meaning "knowledge is power." Renaissance scholar Sir Francis Bacon is usually credited with popularizing the phrase. A successful life starts with a good education—after all, scientia potentia est.

Oh well. This French phrase, meaning "that's life," indicates resignation and acceptance of something that one dislikes but cannot change. I know you're annoyed to have gotten another parking ticket, but c'est la vie. I had hoped to get home early enough to cook dinner, but that didn't happen, so we ordered pizza instead—c'est la vie.

Following the narrowest and most precise interpretation (of something). While not correct in the strictest sense, the word has been widely accepted among most English speakers. I wouldn't call her a socialist in the strict sense, but some of her beliefs definitely lean that way.

From French, meaning "the more things change, the more they remain the same." In English, the phrase is used in reference to situations or problems that remain the same, even when people or things involved in them are different. We move into a fancy new office, and still, the server crashes all the time. Plus ça change, plus c'est la même chose. Plus ça change, eh? Even with the so-called champion of the working man in office, it's still the wealthy elite getting all the tax breaks.