"Thy tender-hefted nature shall not give
Thee o'er to harshness."
Neither hefted nor hested, the other reading, makes sense; the conjecture hearted may, then, be right.
"To wage war against the enmity of the air."
"You heavens, give me that patience [patience] I need."
Malone made the same omission.
"He hath put himself from rest, and must needs taste his folly."