True Science Teaches Us To Doubt And,

When We Meet A Fact Which Contradicts A Prevailing Theory, We Must Accept The Fact And Abandon The Theory, Even When The Theory Is Supported By Great Names And Generally Accepted.

Obervation Is A Passive Science, Experimentation Is An Active Science.

Man Does Not Limit Himself To Seeing; He Thinks And Insists On Learning The Meaning Of Phenomena Whose Existence Has Been Revealed To Him By Observation. So He Reasons, Compares Facts, Puts Questions To Them, And By The Answers Which He Extracts, Tests One By Another. This Sort Of Control, By Means Of Reasoning And Facts, Is What Constitutes Experiment, Properly Speaking; And It Is The Only Process That We Have For Teaching Ourselves About The Nature Of Things Outside Us.

Tout Est Poison, Rien N'est Poison, Tout Est Une Question De Dose. Everything Is Poisonous, Nothing Is Poisonous, It Is All A Matter Of Dose.

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. '