You must not speak.

I must go.

It's just because I must go that I shall not allow you to speak." "Is my debt to you paid, then ?" His voice trembled.
"So far as it runs to me, it is paid." "What remains ?" "Nothing but the debt of yourself to yourself.

I'm going to look back to a strange chapter in my life--a life which has had some strange ones.

I'm not going to be able to forget, of course, what you've said to me.