[T]hat which is man-made can be unmade. - Louis Brandeis

There must be opportunities for judgment to mature. When, therefore, you increase your business to a very great extent, and the multitude of problems increase with its growth, you will find, in the first place, that the man at the head has a diminishing knowledge of the facts and, in the second place, a diminishing opportunity of exercising a careful judgment upon them.

The bow must be strung and unstrung . . . there must be time also for the unconscious thinking which comes to the busy man in his play.

There are many men now living who were in the habit of using the age-old expression: 'It is as impossible as flying.' The discoveries in physical science, the triumphs in invention, attest the value of the process of trial and error. In large measure, these advances have been due to experimentation.