No Particular Theory May Ever

I See Now More Clearly Than Ever Before That Even Our Greatest Troubles Spring From Something That Is [as] Admirable And Sound As It Is Dangerous – From Our Impatience To Better The Lot Of Our Fellows.

We Do Not Choose Political Freedom Because It Promises Us This Or That. We Choose It Because It Makes Possible The Only Dignified Form Of Human Coexistence, The Only Form In Which We Can Be Fully Responsible For Ourselves. Whether We Realize Its Possibilities Depends On All Kinds Of Things — And Above All On Ourselves.

Simple Statements Are To Be Prized More Highly Than Less Simple Ones Because They Tell Us More; Because Their Empirical Content Is Greater; And Because They Are Better Testable.

I Have Insisted That We Must Be Tolerant. But I Also Believe That This Tolerance Has Its Limits. We Must Not Trust Those Anti-humanitarian Religions Which Not Only Preach Destruction But Act Accordingly. For If We Tolerate Them, Then We Become Ourselves Responsible For For Their Deeds.

What Really Makes Science Grow Is New Ideas, Including False Ideas.