Observe, Remember, Compare.

When One Door Closes, Another One Opens.

Great Discoveries And Improvements Invariably Involve The Cooperation Of Many Minds. I May Be Given Credit For Having Blazed The Trail, But When I Look At The Subsequent Developments I Feel The Credit Is Due To Others Rather Than To Myself.

Neither The Army Nor The Navy Is Of Any Protection, Or Very Little Protection, Against Aerial Raids.

Another Discovery Which Came Out Of My Investigation Was The Fact That When One Gives His Or Her Order To Produce A Definite Result And Stands By That Order, It Seems To Have The Effect Of Giving One What Might Be Termed A Second Sight Which Enables Him Or Her To See Right Through Ordinary Problems. What This Power Is I Cannot Say; All I Know Is That It Exists And It Becomes Available Only When One Is In That State Of Mind In Which He Or She Knows Exactly What One Wants And Is Fully Determined Not To Quit Until He Or She Finds It.

You Cannot Force Ideas. Successful Ideas Are The Result Of Slow Growth. Ideas Do Not Reach Perfection In A Day, No Matter How Much Study Is Put Upon Them.