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Everything is poisonous, nothing is poisonous, it is all a matter of dose.

Claude Bernard

Mediocre men often have the most acquired knowledge. It is in the darker. It is in the darker regions of science that great men are recognized; they are marked by ideas which light up phenomena hitherto obscure and carry science forward.
CLAUDE BERNARD

Average Darkness Greatness Knowledge Man Recognition Science
Science rejects the indeterminate.
CLAUDE BERNARD

Determination Rejection Science
Priestley said that each discovery we make shows us many others that should be made.
CLAUDE BERNARD

Discover Science Show
Particular facts are never scientific; only generalization can establish science.
CLAUDE BERNARD

Establishment Fact General Science
Feeling alone guides the mind.
CLAUDE BERNARD

Alone Feeling Guide Mindset
In the philosophic sense, observation shows and experiment teaches.
CLAUDE BERNARD

Experiment Observation Philosophy Teaching
Our ideas are only intellectual instruments which we use to break into phenomena; we must change them when they have served their purpose, as we change a blunt lancet that we have used long enough.
CLAUDE BERNARD

Break Change Enough Ideas Instrument Intellectual Purpose
A contemporary poet has characterized this sense of the personality of art and of the impersonality of science in these words,-‘Art is myself; science is ourselves. ‘
CLAUDE BERNARD

Art Character Ourselves Personality Poet Science
The first requirement in using statistics is that the facts treated shall be reduced to comparable units.
CLAUDE BERNARD

Compare Requirement Statistics Treat
Theories are like a stairway; by climbing, science widens its horizon more and more, because theories embody and necessarily include proportionately more facts as they advance.
CLAUDE BERNARD

Climb Horizon Necessary Proportion Science Theory
Men who believe too firmly in their theories, do not believe enough in the theories of others. So these despisers of their fellows make experiments only to destroy a theory, instead of to seek the truth.
CLAUDE BERNARD

Believe Enough Firm Man Seek Theory Truth
Now, a living organism is nothing but a wonderful machine endowed with the most marvellous properties and set going by means of the most complex and delicate mechanism.
CLAUDE BERNARD

Delicate Live Mechanism Organism Property Wonderful
The joy of discovery is certainly the liveliest that the mind of man can ever feel.
CLAUDE BERNARD

Discover Feeling Live Mindset
Art is ‘I’; science is ‘we’.
CLAUDE BERNARD

Art Science
All the vital mechanisms, varied as they are, have only one object, that of preserving constant the conditions of life in the internal environment.
CLAUDE BERNARD

Condition Environment Object Oneself Preserve
Everything is poisonous, nothing is poisonous, it is all a matter of dose.
CLAUDE BERNARD

Amount Poison Portion

Everything is poisonous, nothing is poisonous, it is all a matter of dose.

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Everything is poisonous, nothing is poisonous, it is all a matter of dose.

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