Speculations? I Have None. I

You Will Be Astonished When I Tell You What This Curious Play Of Carbon Amounts To. A Candle Will Burn Some Four, Five, Six, Or Seven Hours. What, Then, Must Be The Daily Amount Of Carbon Going Up Into The Air In The Way Of Carbonic Acid! ... Then What Becomes Of It? Wonderful Is It To Find That The Change Produced By Respiration ... Is The Very Life And Support Of Plants And Vegetables That Grow Upon The Surface Of The Earth.

It Is Right That We Should Stand By And Act On Our Principles; But Not Right To Hold Them In Obstinate Blindness, Or Retain Them When Proved To Be Erroneous.

The Lecturer Should Give The Audience Full Reason To Believe That All His Powers Have Been Exerted For Their Pleasure And Instruction.

There Is No More Open Door By Which You Can Enter Into The Study Of Natural Philosophy Than By Considering The Physical Phenomena Of A Candle

Nature Is Our Kindest Friend And Best Critic In Experimental Science If We Only Allow Her Intimations To Fall Unbiased On Our Minds.