Because graduations are often milestones in life, graduation quotes is a popular tag for persons who want to use or cite quotes to express thoughts on the event.
Quotes, short for "quotations," are the use of words first said by another person. Thus, graduation quotes may provide someone with highly appropriate words they can use to help express their sentiments in a commencement speech or congratulatory card or note.
There is a long history of compiling quotes, many of which may be suitable for use for graduations. Today, numerous web sites and blogs are available as sources for graduation quotes.