Answer:
Mark Twain was fond of condemning lying by saying, "If you tell the truth, you don’t have to remember anything."
Explanation:
Quotations are usually used with a colon after a sentence. However, they can also be introduced with a comma when there is an introductory phrase before it, such as <em>by saying</em>. On the other hand, when the quotation is introduced in the sentence, the comma is not necessary, like the first sentence.
The root word for a geographer is Geography if I'm right
