Nature Does Nothing In Vain, And In

Upon The Solution Of This Problem, Or Upon Sufficient Proof Of The Impossibility Of Synthetical Knowledge A Priori, Depends The Existence Or Downfall Of Metaphysics.

Animals... Are There Merely As A Means To An End. That End Is Man.

Fallacious And Misleading Arguments Are Most Easily Detected If Set Out In Correct Syllogistic Form.

Act So As To Use Humanity, Yourself And Others, Always As An End And Never As A Means To An End.

It Is Never Too Late To Become Reasonable And Wise.