What Mach Calls A Thought Experiment Is

Personally, People Know Themselves Very Poorly.

Science Itself, Therefore, May Be Regarded As A Minimal Problem, Consisting Of The Completest Possible Presentment Of Facts With The Least Possible Expenditure Of Thought.

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.

When I Recall Today My Early Youth, I Should Take The Boy That I Then Was, With The Exception Of A Few Individual Features, For A Different Person, Were It Not For The Existence Of The Chain Of Memories.

My Table Is Now Brightly, Now Dimly Lighted. Its Temperature Varies. It May Receive An Ink Stain. One Of Its Legs May Be Broken. It May Be Repaired, Polished, And Replaced Part By Part. But, For Me, It Remains The Table At Which I Daily Write.