I Am Young And Avid For Glory.

We Must Trust To Nothing But Facts: These Are Presented To Us By Nature, And Cannot Deceive. We Ought, In Every Instance, To Submit Our Reasoning To The Test Of Experiment, And Never To Search For Truth But By The Natural Road Of Experiment And Observation.

I Consider Nature A Vast Chemical Laboratory In Which All Kinds Of Composition And Decompositions Are Formed.

Perhaps... Some Day The Precision Of The Data Will Be Brought So Far That The Mathematician Will Be Able To Calculate At His Desk The Outcome Of Any Chemical Combination, In The Same Way, So To Speak, As He Calculates The Motions Of Celestial Bodies.

It Required 85 Parts By Weight Of Oxygen And 15 Parts Of Hydrogen To Compose 100 Parts Of Water.

Imagination, On The Contrary, Which Is Ever Wandering Beyond The Bounds Of Truth, Joined To Self-love And That Self-confidence We Are So Apt To Indulge, Prompt Us To Draw Conclusions Which Are Not Immediately Derived From Facts.