I Had Therefore To Remove

Duty Is The Necessity To Act Out Of Reverence For The Law.

I Ought Never To Act Except In Such A Way That I Could Also Will That My Maxim Should Become A Universal Law.

The Science Of Mathematics Presents The Most Brilliant Example Of How Pure Reason May Successfully Enlarge Its Domain Without The Aid Of Experience

Enthusiasm Is Always Connected With The Senses, Whatever Be The Object That Excites It. The True Strength Of Virtue Is Serenity Of Mind, Combined With A Deliberate And Steadfast Determination To Execute Her Laws. That Is The Healthful Condition Of The Moral Life; On The Other Hand, Enthusiasm, Even When Excited By Representations Of Goodness, Is A Brilliant But Feverish Glow Which Leaves Only Exhaustion And Languor Behind.

Notion Without Intuition Is Empty, Intuition Without Notion Is Blind.