One of us in this very room is in fact the murderer.

The young people think the old people are fools -- but the old people know the young people are fools.

One is alone when the last one who remembers is gone.

You should employ your little grey cells.

I'm sorry, but I do hate this differentiation between the sexes. The modern girl has a thoroughly businesslike attitude to life! That sort of thing. It's not a bit true! Some girls are businesslike and some aren't. Some men are sentimental and muddle-headed, others are clear-headed and logical. There are just different types of brains.

Real evidence is usually vague and unsatisfactory. It has to be examined---sifted. But here the whole thing is cut and dried. No, my friend, this evidence has been very cleverly manufactured---so cleverly that it has defeated its own ends.

Love is not everything ... It is only when we are young that we think it is.