Inside.
In American Language they say like this: "I wonder why she did that." In British English, most punctuation goes outside of quotation marks. Example: She said, "I wonder what they're doing". But in American English, the opposite rule applies -- most punctuation goes inside of quotation marks. Example: She said, "I wonder what they're doing."
It depends if the quotation is a question or statement. If the quote is a question, the quotation mark goes before the punctuation; if the quotation requires a period, the marks goes outside of the statement.
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 can use an exclamation mark when you're saying anything. An exclamatory sentence is a sentence that demonstrates a sharp or sudden utterance or a vehement expression of protest or complaint.
"You put it around a quote" - QuestionsQuestions143 "You use quotation marks around what someone is saying." Said questionsquestions143 :]
Typically, you stop saying "good morning" after noon.
Yes, "yes" can be used as an exclamation word to show agreement or enthusiasm. For example, saying "Yes!" can express excitement or approval.
maybe
Exclamation Points
There are no quotation marks in that sentence unless you state who's saying it. "Give me your hand", said Mary, would be correct.