No Opinion Has Ever Been Too Errant

Right Discipline Consists, Not In External Compulsion, But In The Habits Of Mind Which Lead Spontaneously To Desirable Rather Than Undesirable Activities.

... Mathematical Knowledge ... Is, In Fact, Merely Verbal Knowledge. "3" Means "2+1", And "4" Means "3+1". Hence It Follows (though The Proof Is Long) That "4" Means The Same As "2+2". Thus Mathematical Knowledge Ceases To Be Mysterious.

The Secret To Happiness Is To Face The Fact That The World Is Horrible.

The Demand For Certainty Is One Which Is Natural To Man, But Is Nevertheless An Intellectual Vice. So Long As Men Are Not Trained To Withhold Judgment In The Absence Of Evidence, They Will Be Led Astray By Cocksure Prophets, And It Is Likely That Their Leaders Will Be Either Ignorant Fanatics Or Dishonest Charlatans. To Endure Uncertainty Is Difficult, But So Are Most Of The Other Virtues.

One Of The Chief Triumphs Of Modern Mathematics Consists In Having Discovered What Mathematics Really Is.