To The Totality Of Purposes

The Whole Object Of The Prophets And The Sages Was To Declare That A Limit Is Set To Human Reason Where It Must Halt.

The Great Sickness And The Grievous Evil Consist In This: That All The Things That Man Finds Written In Books, He Presumes To Think Of As True-and All The More So If The Books Are Old.

Be Convinced That, If Man Were Able To Reach The End Without Preparatory Studies, Such Studies Would Not Be Preparatory But Tiresome And Utterly Superfluous.

The More Necessary A Thing Is For Living Beings, The More Easily It Is Found And The Cheaper It Is; The Less Necessary It Is, The Rarer And Dearer It Is.

The Philosophers Likewise Assume That In Nature There Is Nothing In Vain, So That Everything That Is Not The Product Of Human Industry Serves A Certain Purpose, Which May Be Known Or Unknown To Us.