“We know that men cannot be compelled to be good. They can only be prevented from being bad—a negative condition. We know from bitter experience that men cannot be forced into doing the wise thing, for such a forcement is foolishness.”

Source: Capitalism and Freedom (1962), Ch. 1 The Relation Between Economic Freedom and Political Freedom, p. 12

Nur der Dumme lernt aus Erfahrung, der Kluge aus der Erfahrung der anderen!
Alan Turing

Book I, Chapter 4, "What Lies behind the Law"
Mere Christianity (1952)

Source: The Politics of Experience (1967), Ch. 1 : Experience as evidence
Context: I cannot experience your experience. You cannot experience my experience. We are both invisible men. All men are invisible to one another. Experience used to be called The Soul. Experience as invisibility of man to man is at the same time more evident than anything. Only experience is evident. Experience is the only evidence. Psychology is the logos of experience. Psychology is the structure of the evidence, and hence psychology is the science of sciences.

XII. The origin of evil things; and that there is no positive evil.
On the Gods and the Cosmos

#127-128
1900s, Maxims for Revolutionists (1903)

Polygamy and Female Circumcision Can Only Be Abolished Through Education, Not by Force. A Female Egyptian President - Not in the Near Future http://www.memritv.org/Transcript.asp?P1=1399 March 2007

Epistulae Morales ad Lucilium (Moral Letters to Lucilius), Letter CVII: On Obedience to the Universal Will