Personally, People Know Themselves Very Poorly.

Man Is Pre-eminently Endowed With The Power Of Voluntarily And Consciously Determining His Own Point Of View.

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

Not Bodies Produce Sensations, But Element-complexes (sensation-complexes) Constitute The Bodies. When The Physicist Considers The Bodies As The Permanent Reality, The 'elements' As The Transient Appearance, He Does Not Realise That All 'bodies' Are Only Mental Symbols For Element-complexes (sensation-complexes).

The Task Which We Have Set Ourselves Is Simply To Show Why And For What Purpose We Hold That Standpoint During Most Of Our Lives, And Why And For What Purpose We Are Provisionally Obliged To Abandon It.

The Biological Task Of Science Is To Provide The Fully Developed Human Individual With As Perfect A Means Of Orientating Himself As Possible. No Other Scientific Ideal Can Be Realised, And Any Other Must Be Meaningless.