Ferdinand declares himself Miranda's (Act 3, Scene 2). The Tempest, by Sir William Shakespeare.

MIRANDA	Do you love me?
FERDINAND	Oh heaven, Oh earth, bear witness to this sound
	And crown what I profess with kind event
	If I speak true! if hollowly, invert
	What best is boded me to mischief! I
	Beyond all limit of what else i' the world
	Do love, prize, honour you.