The Ego Is As Little Absolutely Permanent

Bodies Do Not Produce Sensations, But Complexes Of Elements (complexes Of Sensations) Make Up Bodies.

Thought Experiment Is In Any Case A Necessary Precondition For Physical Experiment. Every Experimenter And Inventor Must Have The Planned Arrangement In His Head Before Translating It Into Fact.

Everyone Is Free To Set Up An Opinion And To Adduce Proofs In Support Of It. Whether, Though, A Scientist Shall Find It Worth His While To Enter Into Serious Investigations Of Opinions So Advanced Is A Question Which His Reason And Instinct Alone Can Decide. If These Things, In The End, Should Turn Out To Be True, I Shall Not Be Ashamed Of Being The Last To Believe Them.

Scientists Must Use The Simplest Means Of Arriving At Their Results And Exclude Everything Not Perceived By The Senses.

Archimedes Constructing His Circle Pays With His Life For His Defective Biological Adaptation To Immediate Circumstances.