Depend upon it there comes a time when for every addition of knowledge you forget something that you knew before. It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones.

Quote by Arthur Conan Doyle

Topics: Arthur Conan Doyle Quotes

From a drop of water a logician could infer the possibility of an Atlantic or...

From a drop of water a logician could infer the possibility of an Atlantic or...

It is an old maxim of mine that when you have excluded the impossible, whatever...

It is an old maxim of mine that when you have excluded the impossible, whatever...

I never guess. It is a shocking habit destructive to the logical faculty.

I never guess. It is a shocking habit destructive to the logical faculty.

Some facts should be suppressed, or, at least, a just sense of proportion should be...

Some facts should be suppressed, or, at least, a just sense of proportion should be...

My mind rebels at stagnation. Give me problems, give me work, give me the most...

My mind rebels at stagnation. Give me problems, give me work, give me the most...

When a doctor does go wrong he is the first of criminals. He has nerve...

When a doctor does go wrong he is the first of criminals. He has nerve...

Where there is no imagination there is no horror.

Where there is no imagination there is no horror.

A trusty comrade is always of use; and a chronicler still more so.

A trusty comrade is always of use; and a chronicler still more so.

The ideal reasoner, he remarked, would, when he had once been shown a single fact...

The ideal reasoner, he remarked, would, when he had once been shown a single fact...

A client is to me a mere unit, a factor in a problem.

A client is to me a mere unit, a factor in a problem.

Circumstantial evidence is occasionally very convincing, as when you find a trout in the milk,...

Circumstantial evidence is occasionally very convincing, as when you find a trout in the milk,...

Women are naturally secretive, and they like to do their own secreting.

Women are naturally secretive, and they like to do their own secreting.

Our ideas must be as broad as Nature if they are to interpret Nature.

Our ideas must be as broad as Nature if they are to interpret Nature.

London, that great cesspool into which all the loungers and idlers of the Empire are...

London, that great cesspool into which all the loungers and idlers of the Empire are...

I have frequently gained my first real insight into the character of parents by studying...

I have frequently gained my first real insight into the character of parents by studying...

There is nothing more unaesthetic than a policeman.

There is nothing more unaesthetic than a policeman.

It is a capital mistake to theorize before one has data.

It is a capital mistake to theorize before one has data.

Of all ghosts the ghosts of our old loves are the worst.

Of all ghosts the ghosts of our old loves are the worst.

As Cuvier could correctly describe a whole animal by the contemplation of a single bone,...

As Cuvier could correctly describe a whole animal by the contemplation of a single bone,...

Nothing clears up a case so much as stating it to another person.

Nothing clears up a case so much as stating it to another person.