Wisdom Is Learning What To Overlook.

Science Can Tell Us What Exists; But To Compare The Worths, Both Of What Exists And Of What Does Not Exist, We Must Consult Not Science, But What Pascal Calls Our Heart.

Effort Is A Measure Of A Man.

Life Shall Be Built In Doing And Suffering And Creating.

The Science Of Logic Never Made A Man Reason Rightly, And The Science Of Ethics Never Made A Man Behave Rightly. The Most Such Sciences Can Do Is To Help Us To Catch Ourselves Up And Check Ourselves, If We Start To Reason Or To Behave Wrongly; And To Criticise Ourselves More Articulately After We Have Made Mistakes.

The Most Immutable Barrier In Nature Is Between One Man's Thoughts And Another's.