Do Not Take A Blind Guide.

Only By Being Suspended Aloft, By Dangling My Mind In The Heavens And Mingling My Rare Thought With The Ethereal Air, Could I Ever Achieve Strict Scientific Accuracy In My Survey Of The Vast Empyrean. Had I Pursued My Inquiries From Down There On The Ground, My Data Would Be Worthless. The Earth, You See, Pulls Down The Delicate Essence Of Thought To Its Own Gross Level.

You Will Never Make The Crab Walk Straight.

You Cannot Teach A Crab To Walk Straight.

Ah! The Generals! They Are Numerous, But Not Good For Much!

Children Have A Master To Teach Them, Grown-ups Have The Poets.