“What you do in this world is a matter of no consequence. The question is what can you make people believe you have done.”

Circumstantial evidence is a very tricky thing. It may seem to point very straight to one thing, but if you shift your own point of view a little, you may find it pointing in an equally uncompromising manner to something entirely different.

There are always some lunatics about. It would be a dull world without them.

One must wait till it comes.

It may be that you are not yourself luminous, but that you are a conductor of light. Some people without possessing genius have a remarkable power of stimulating it.

Healthy scepticism is the basis of all accurate observation.

The future was with Fate. The present was our own.

Skill is fine, and genius is splendid, but the right contacts are more valuable than either.

I am an omnivorous reader with a strangely retentive memory for trifles.

It is with nations as it is with individuals. A book of history is a book of sermons.

The individual man is an insoluble puzzle, in the aggregate he becomes a mathematical certainty.

Violence does, in truth, recoil upon the violent, and the schemer falls into the pit which he digs for another.

It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

I am not the law, but I represent justice so far as my feeble powers go.

The love of books is among the choicest gifts of the gods.

The devil’s agents may be of flesh and blood, may they not?

To a great mind, nothing is little.