In Each Case You Settle On An

Experimental Work Provides The Strongest Evidence For Scientific Realism. This Is Not Because We Test Hypotheses About Entities. It Is Because Entities That In Principle Cannot Be 'observed' Are Manipulated To Produce A New Phenomena [sic] And To Investigate Other Aspects Of Nature.

Plutonium Has A Quite Extraordinary Relationship With People. They Made It, And It Kills Them.

The Important Thing Is To Be Able To Understand Anyone Who Has Something Useful To Say. - There Is A General Moral Here. Be Very Careful And Very Clear About What You Say. But Do Not Be Dogmatic About Your Own Language. Be Prepared To Express Any Careful Thought In The Language Your Audience Will Understand. And Be Prepared To Learn From Someone Who Talks A Language With Which You Are Not Familiar.

From Any Vocabulary Of Ideas We Can Build Other Ideas By Formal Combinations Of Signs. But Not Any Set Of Ideas Will Be Instructive. One Must Have The Right Ideas.

In Each Case You Settle On An Act. Doing Nothing At All Counts As An Act.