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

As a rule, said Holmes, the more bizarre a thing is the less mysterious it...

As a rule, said Holmes, the more bizarre a thing is the less mysterious it...

There is nothing more deceptive than an obvious fact.

There is nothing more deceptive than an obvious fact.

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

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

Sir Walter, with his 61 years of life, although he never wrote a novel until...

Sir Walter, with his 61 years of life, although he never wrote a novel until...

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...

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,...

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.

To the man who loves art for its own sake, it is frequently in its...

To the man who loves art for its own sake, it is frequently in its...

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...

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.

In an experience of women that extends over many nations and three separate continents, I...

In an experience of women that extends over many nations and three separate continents, I...

I have seen too much not to know that the impression of a woman may...

I have seen too much not to know that the impression of a woman may...

Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.

Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.

I think that you know me well enough, Watson, to understand that I am by...

I think that you know me well enough, Watson, to understand that I am by...

His ignorance was as remarkable as his knowledge.

His ignorance was as remarkable as his knowledge.

The lowest and vilest alleys of London do not present a more dreadful record of...

The lowest and vilest alleys of London do not present a more dreadful record of...

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

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

There is nothing more unaesthetic than a policeman.

There is nothing more unaesthetic than a policeman.

Any truth is better than indefinite doubt.

Any truth is better than indefinite doubt.

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.