Help me understand the difference

Question

"For instance, double quotes can't be directly included in a double quote string; this would ucause it to end prematurely." AND
"Double quotes only need to be escaped in double quote strings, and the same is true for single quote strings."

Answer 1

yes,you can add them without using escape character

print("He said, 'Hi' ")

output: He said 'Hi'

Answer 2

thanks sreejith, and jay matthews for your second answer that I've understood perfectly well.

Answer 3

....that has helped me understand the second description but not the first