Edw. But for a kingdom any oath may be broken:
[♦] I would break a thousand oaths to reign one year.
Rich. No; God forbid your grace should be forsworn.
York. I shall be, if I claim by open war.
20 Rich. I’ll prove the contrary, if you’ll hear me speak.
York. Thou canst not, son; it is impossible.
Rich. An oath is of no moment, being not took
Before a true and lawful magistrate,
[♦] That hath authority over him that swears:
25 Henry had none, but did usurp the place;