“Yes indeed you see, we all see, but often you do not observe.” – Joseph Bell

“You see, but you do not observe. The distinction is clear. For example, you have frequently seen the steps which lead up from the hall to this room.” – Sherlock Holmes

“More is missed by not looking than not knowing.” – Thomas McCrae

“For one mistake made for not knowing, ten mistakes are made for not looking.” – James Alexander Lindsay

“To observe correctly and decide wrongly is sure to happen to the best of us, but to observe carelessly happens only when we permit it.” – Thomas McCrae

“To observe attentively is to remember distinctly” – Edgar Allan Poe

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