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A mathematician is a blind man in a dark room looking for a black cat which isn’t there.

Charles Darwin

I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection.
CHARLES DARWIN

Evolution Natural Preserve Principle Selection Variation
Not one change of species into another is on record, we cannot prove that a single species has been changed.
CHARLES DARWIN

Change Prove Record Species
The world will not be inherited by the strongest, it will be inherited by those most able to change.
CHARLES DARWIN

Change Strong World
Nothing exists for itself alone, but only in relation to other forms of life.
CHARLES DARWIN

Alone Existence Life Relationship
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.
CHARLES DARWIN

Error Establishment Fact Kill Service Truth
I conclude that the musical notes and rhythms were first acquired by the male or female progenitors of mankind for the sake of charming the opposite sex.
CHARLES DARWIN

Acquire Conclude Female Male Mankind Music Rhythm
In the struggle for survival, the fittest win out at the expense of their rivals because they succeed in adapting themselves best to their environment.
CHARLES DARWIN

Adapt Environment Expense Rival Struggle Success Survival Win
Man, wonderful man, must collapse, into nature’s cauldron, he is no deity, he is no exception.
CHARLES DARWIN

Collapse Exception Man Nature Wonderful
A mathematician is a blind man in a dark room looking for a black cat which isn’t there.
CHARLES DARWIN

Black Blind Cat Darkness Man Mathematics Room
The love of a dog for his master is notorious; in the agony of death he has been known to caress his master, and everyone has heard of the dog suffering under vivisection, who licked the hand of the operator; this man, unless he had a heart of stone, must have felt remorse to the last hour of his life.
CHARLES DARWIN

Agony Care Death Dog Love Loyalty Master
In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.
CHARLES DARWIN

Animal Collaboration History Human
Only picture to yourself a nice soft wife on a sofa with good fire, & books & music.
CHARLES DARWIN

Book Fire Music Picture Sofa Wife Yourself
Sympathy beyond the confines of man, that is, humanity to the lower animals, seems to be one of the latest moral acquisitions.
CHARLES DARWIN

Animal Beyond Confine Humanity Moral Sympathy
An agnostic would be the more correct description of my state of mind.
CHARLES DARWIN

Agnostic Correction Description Mind State
Building a better mousetrap merely results in smarter mice.
CHARLES DARWIN

Build Result Smart
The highest possible stage in moral culture is when we recognise that we ought to control our thoughts.
CHARLES DARWIN

Control Culture Moral Recognise Stage Thinking

A mathematician is a blind man in a dark room looking for a black cat which isn’t there.

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A mathematician is a blind man in a dark room looking for a black cat which isn’t there.

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