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

Claude Bernard

Obervation is a passive science, experimentation is an active science.
CLAUDE BERNARD

Active Experiment Observation Passive Science
The fact that knowledge endlessly recedes as the investigator is about to grasp it is what constitutes at the same time his torment and happiness.
CLAUDE BERNARD

Constitute End Fact Happiness Hard Time Knowledge
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
With the aid of these active experimental sciences man becomes an inventor of phenomena, a real foreman of creation; and under this head we cannot set limits to the power that he may gain over nature through future progress of the experimental sciences.
CLAUDE BERNARD

Active Creation Experiment Head Limitation Nature Progress Science
Everything is poisonous, nothing is poisonous, it is all a matter of dose.
CLAUDE BERNARD

Amount Poison Portion
Effects vary with the conditions which bring them to pass, but laws do not vary. Physiological and pathological states are ruled by the same forces; they differ only because of the special conditions under which the vital laws manifest themselves.
CLAUDE BERNARD

Condition Force Law Manifestation State
Man can learn nothing unless he proceeds from the known to the unknown.
CLAUDE BERNARD

Learning Man Unknown
The eloquence of a scientist is clarity; scientific truth is always more luminous when its beauty is unadorned than when it is tricked out in the embellishments with which our imagination would seek to clothe it.
CLAUDE BERNARD

Beautiful Imagination Ourselves Science Truth
We must alter theory to adapt it to nature, but not nature to adapt it to theory.‎
CLAUDE BERNARD

Adapt Nature Theory
Science does not permit exceptions.
CLAUDE BERNARD

Exception One Liner Science
A great discovery is a fact whose appearance in science gives rise to shining ideas, whose light dispels many obscurities and shows us new paths.
CLAUDE BERNARD

Appearance Discovery Greatness Light Path Rise Shift
But while I accept specialization in the practice, I reject it utterly in the theory of science.
CLAUDE BERNARD

Acceptance Myself Practice Science Theory
The joy of discovery is certainly the liveliest that the mind of man can ever feel.
CLAUDE BERNARD

Discover Feeling Live Mindset
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
If I had to define life in a single phrase, I should clearly express my thought of throwing into relief one characteristic which, in my opinion, sharply differentiates biological science. I should say: life is creation.
CLAUDE BERNARD

Character Clear Creation Expression Life Science
The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.
CLAUDE BERNARD

Believe Doubt Man Science True

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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