After the Sun, how long would it take light to reach the Earth from the nearest

It's to know your purpose before you read something because a purpose can:

3. what is the purpose of a lead sentence or paragraph? to display your most convincing reasons and arguments to you revise the overall structure of your work to interest readers and introduce your writing style to add details and elaborate on your ideas

Review the theme beauty exists within each person which line from beauty best communicates this theme