Art Is Purposiveness Without Purpose.

The Schematicism By Which Our Understanding Deals With The Phenomenal World ... Is A Skill So Deeply Hidden In The Human Soul That We Shall Hardly Guess The Secret Trick That Nature Here Employs.

All Our Knowledge Begins With The Senses, Proceeds Then To The Understanding, And Ends With Reason. There Is Nothing Higher Than Reason.

One Cannot Avoid A Certain Feeling Of Disgust, When One Observes The Actions Of Man Displayed On The Great Stage Of The World. Wisdom Is Manifested By Individuals Here And There; But The Web Of Human History As A Whole Appears To Be Woven From Folly And Childish Vanity, Often, Too, From Puerile Wickedness And Love Of Destruction: With The Result That At The End One Is Puzzled To Know What Idea To Form Of Our Species Which Prides Itself So Much On Its Advantages.

Philosophical Knowledge Is The Knowledge Gained By Reason From Concepts ; Mathematical Knowledge Is The Knowledge Gained By Reason From The Construction Of Concepts.

It Is Precisely In Knowing Its Limits That Philosophy Consists.