Here 'strides,' 'sure,' and 'way,' are corrections of sides, sowne, and may of the folio.
Sc. 2.
"These deeds must not be thought on."
"I am afraid to think on what I have done."
Here the addition is not absolutely necessary, but it makes the language more forcible and more idiomatic.
Sc. 3.
"To countenance this horror. Ring the bell.—