Arthur Conan Doyle

I`m a brain. [...] The rest of me is a mere appendix.

Mediocrity knows nothing higher than itself; but talent instantly recognizes genius.

I consider that a man`s brain originally is like a little empty attic, and you have to stock it with such furniture as you choose.

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.

No man burdens his mind with small matters unless he has some very good reason for doing so.

Brain, character, soul - only as one sees more of life does one understand how distinct is each.

The chief proof of man`s real greatness lies in his perception of his own smallness.

The world is full of obvious things which nobody by any chance ever observes.

It is the small men and not the great who hold their noses in the air.

I have found that it is usually in unimportant matters that there is a field for the observation, and for the quick analysis of cause and effect which gives the charm to an investigation. The larger crimes are apt to be the simpler, for the bigger the crime the more obvious, as a rule, is the motive.

It has long been an axiom of mine that the little things are infinitely the most important.

There is a danger for him who taketh the tiger cub, and danger also for whoso snatches a delusion from a woman.

Never trust to general impressions, my boy, but concentrate yourself upon details.

Strange effects and extraordinary combinations we must go to life itself, which is always far more daring than any effort of the imagination.

The more bizzarre a thing is the less mysterious it proves to be.