I Am Young And Avid For Glory.

Experiments Upon Vegetation Give Reason To Believe That Light Combines With Certain Parts Of Vegetables, And That The Green Of Their Leaves, And The Various Colors Of Flowers, Is Chiefly Owing To This Combination.

Nothing Is Lost, Nothing Is Created, Everything Is Transformed

The Art Of Drawing Conclusions From Experiments And Observations Consists In Evaluating Probabilities And In Estimating Whether They Are Sufficiently Great Or Numerous Enough To Constitute Proofs. This Kind Of Calculation Is More Complicated And More Difficult Than It Is Commonly Thought To Be. . . .

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

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.