I Am Myself By Inclination An Investigator.

Human Reason Has This Peculiar Fate That In One Species Of Its Knowledge It Is Burdened By Questions Which, As Prescribed By The Very Nature Of Reason Itself, It Is Not Able To Ignore, But Which, As Transcending All Its Powers, It Is Also Not Able To Answer.

Man Relates To Material Things Through Direct Insight Rather Than Reason.

Two Things Fill The Mind With Ever New And Increasing Admiration And Awe, The Oftener And More Steadily We Reflect On Them: The Starry Heavens Above Me And The Moral Law Within Me.

The Business Of Philosophy Is Not To Give Rules, But To Analyze The Private Judgments Of Common Reason.

Cruelty To Animals Is Contrary To Man's Duty To Himself, Because It Deadens In Him The Feeling Of Sympathy For Their Sufferings, And Thus A Natural Tendency That Is Very Useful To Morality In Relation To Other Human Beings Is Weakened.