Will Rogers said: "If you find yourself in a hole--stop digging."

You've seen the half full glass of water thing. The optimist says it's half full.
The pessimist says half empty and the engineer says the glass is twice the size it should be.

Math illiteracy affects 7 out of 5 people.

The gene pool badly needs more chlorine.

Engineers credo: If it isn't broken, take it apart and fix it.