Perfection Is The Measure Of Heaven, And

When Young, One Is Confident To Be Able To Build Palaces For Mankind, But When The Time Comes One Has One's Hands Full Just To Be Able To Remove Their Trash.

On All The Peaks Lies Peace.

Is It Life, I Ask, Is It Even Prudence, To Bore Thyself And Bore The Students?

Prudent And Active Men, Who Know Their Strength And Use It With Limit And Circumspection, Alone Go Far In The Affairs Of The World.

When Intelligent And Sensible People Despise Knowledge In Their Old Age, It Is Only Because They Have Asked Too Much Of It And Of Themselves.