Those Who Have Never Been Ill Are

The Most Important Things To Say Are Those Which Often I Did Not Think Necessary For Me To Say - Because They Were Too Obvious.

No Theory Is Good Unless It Permits, Not Rest, But The Greatest Work. No Theory Is Good Except On Condition That One Use It To Go On Beyond.

I Have Never Produced Anything Good Except By A Long Succession Of Slight Efforts.

It Is Not Becoming To Lay To Virtue The Weariness Of Old Age.

I Am Lost If I Attempt To Take Count Of Chronology. When I Think Over The Past, I Am Like A Person Whose Eyes Cannot Properly Measure Distances And Is Liable To Think Things Extremely Remote Which On Examination Prove To Be Quite Near.