References: Jobs, S. (2005). Stanford University Commencement Address. Retrieved from http://news.stanford.edu/news/2005/june15/jobs-061505.html Schweitzer, A. (1963). The Philosophy of Civilization. Beacon Press. King Jr., M. L. (1963). Strength to Love. Harper & Row. Mandela, N. (1995). Long Walk to Freedom. Little, Brown and Company.
somebody is saying it
It is a very common saying, making a fairly obvious point - like Nothing lasts for ever. I don't think it is a quotation.
No, it is not a scriptural quotation
"You put it around a quote" - QuestionsQuestions143 "You use quotation marks around what someone is saying." Said questionsquestions143 :]
maybe
Inside.
an Implicit message is a messsage that uses visuals rather than literally saying or explicitly saying what they mean
There are no quotation marks in that sentence unless you state who's saying it. "Give me your hand", said Mary, would be correct.
If someone is saying it... "Hi," John said.
You can, but usually what someone thinks can be written in italics.
aphorism
yes you do you use quotations on what somebody or something is saying or thinking