A quotation or quote is the repetition of one expression as part of another one, particularly when the quoted expression is well-known or explicitly attributed by citation to its original source, and it is indicated by (punctuated with) quotation marks.
Humanity is on the march, earth itself is left behind.
~ David Ehrenfeld
Earth Quotes, Earth Day Quotations, Earth Day Slogans
Service to others is the rent you pay for your room here on earth.
~ Muhammad Ali
Earth Day Quotes For Kids, Earth Day Facts, Catchy Earth Day Slogans