The Englishman was calm and self-possessed; his antagonist impulsive and self-confident: the Englishman was the product of a volunteer army of professional soldiers; his antagonist was the product of a drafted army of unwilling conscripts.

3. Before particular elements in a definite statement.

Bad: He asked what caused the accident?
Right: He asked, “What caused the accident?”

Napoleon said to his army at the battle of the Pyramids: “Soldiers, forty centuries are looking down upon you.”

The duties of the superintendent are grouped under three heads: first, etc.

4. Before formal quotations.

Write a short essay on the following topic: “What is wrong with our industrial system?”

When the formal introduction is brief, a comma may be used.

St. Paul said, “Bear ye one another’s burdens.”

5. After the formal salutatory phrase at the opening of a letter.