Know Yourself To Improve Yourself.

To Understand A Science It Is Necessary To Know Its History.

Nothing Is Destroyed Until It Is Replaced.

Monotheism Occupies So Large A Space In The View Of Modern Minds, That It Is Scarcely Possible To Form A Just Estimate Of The Preceding Phases Of The Theological Philosophy.

C'este Donc Par L'étude Des Mathématiques, Et Seulement Par Elle, Que L'on Peut Se Faire Une Idée Juste Et Approfondie De Ce Que C'est Qu'une Science.

The Mathematical Thermology Created By Fourier May Tempt Us To Hope That, As He Has Estimated The Temperature Of The Space In Which We Move, Me May In Time Ascertain The Mean Temperature Of The Heavenly Bodies: But I Regard This Order Of Facts As For Ever Excluded From Our Recognition. We Can Never Learn Their Internal Constitution, Nor, In Regard To Some Of Them, How Heat Is Absorbed By Their Atmosphere. We May Therefore Define Astronomy As The Science By Which We Discover The Laws Of The Geometrical And Mechanical Phenomena Presented By The Heavenly Bodies.