We Must Be Sceptical Even Of Our

Mathematics Is Only The Art Of Saying The Same Thing In Different Words.

One Must Care About A World One Will Not See.

All Movements Go Too Far.

We Shall Say That We Have Acquaintance With Anything Of Which We Are Directly Aware, Without The Intermediary Of Any Process Of Inference Of Any Knowledge Of Truths.

For A Good Notation Has A Subtlety And Suggestiveness Which At Times Make It Seem Almost Like A Live Teacher.