We Do Not Know. We Can Only

. . . It Seems To Me Certain That More People Are Killed Out Of Righteous Stupidity Than Out Of Wickedness.

The Genuine Rationalist Does Not Think That He Or Anyone Else Is In Possession Of The Truth; Nor Does He Think That Mere Criticism As Such Helps Us Achieve New Ideas. But He Does Think That, In The Sphere Of Ideas, Only Critical Discussion Can Help Us Sort The Wheat From The Chaff.

We Have The Right Not To Tolerate The Intolerant. We Should Tolerate Even Them Whenever We Can Do So Without Running A Great Risk; But The Risk May Become So Great That We Cannot Allow Ourselves The Luxury.

No Number Of Sightings Of White Swans Can Prove The Theory That All Swans Are White. The Sighting Of Just One Black One May Disprove It.

All We Can Do Is Search For The Falsity Content In Our Best Theory.