The famous actor Leonardo DiCaprio a.k.a Jordan Belfort is a famous American actor and film producer. Some of his famous movies include Titanic and The Wolf of Wall Street. One of his famous sayings is: “You may see me struggle, but you will never see me quit”. Source: Other
As a social ideal, the Ancient Greeks upheld the practice of sophrosyne, which means prudence and moderation but ultimately its complex meaning, so important to the ancients, is very difficult to convey in English. It is perhaps to some extent expressed by the two most famous sayings of the Oracle of Delphi: "Nothing in excess" and "Know thyself."