In a strong cabinet, of which you yourself
Shall keep the key.
Hamlet, I., 3, 85.
'Tis in my memory locked,
And you yourself shall keep the key of it.
Believe as You List, I., 2, 18:
When he smiles, let such
Beware as have to do with him, for then,
Sans doubt, he's bent on mischief.
Hamlet, I., 5, 107: