Our weapon is our knowledge. But remember, it may be a knowledge we may not know that we possess.

I did not deceive you, mon ami. At most, I permitted you to deceive yourself.

Everything must be taken into account. If the fact will not fit the theory---let the theory go.

Time does not dispose of a question - it only presents it anew in a different guise.

Use that fluff of yours you call a brain.

I was thinking, that when my time comes, I should be sorry if the only plea I had to offer was that of justice. Because it might mean that only justice would be meted out to me.

It often seems to me that's all detective work is, wiping out your false starts and beginning again." Yes, it is very true, that. And it is just what some people will not do. They conceive a certain theory, and everything has to fit into that theory. If one little fact will not fit it, they throw it aside. But it is always the facts that will not fit in that are significant.