Reason Can Never Prove The

It Is Never Too Late To Become Reasonable And Wise.

Both Love Of Mankind, And Respect For Their Rights Are Duties; The Former However Is Only A Conditional, The Latter An Unconditional, Purely Imperative Duty, Which He Must Be Perfectly Certain Not To Have Transgressed Who Would Give Himself Up To The Secret Emotions Arising From Benevolence.

We Assume A Common Sense As The Necessary Condition Of The Universal Communicability Of Our Knowledge, Which Is Presupposed In Every Logic And Every Principle Of Knowledge That Is Not One Of Skepticism.

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

Experience Without Theory Is Blind, But Theory Without Experience Is Mere Intellectual Play.