All Perception Is Colored By Emotion.

I Feel A Complete Thirst For Knowledge And An Eager Unrest To Go Further In It As Well As Satisfaction At Every Acquisition. There Was A Time When I Believed That This Alone Could Constitute The Honor Of Mankind, And I Had Contempt For The Ignorant Rabble Who Know Nothing.

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

To A High Degree We Are, Through Art And Science, Cultured. We Are Civilized - Perhaps Too Much For Our Own Good - In All Sorts Of Social Grace And Decorum. But To Consider Ourselves As Having Reached Morality - For That, Much Is Lacking.

Reason Must Approach Nature In Order To Be Taught By It. It Must Not, However, Do So In The Character Of A Pupil Who Listens To Everything That The Teacher Chooses To Say, But Of An Appointed Judge Who Compels The Witness To Answer Questions Which He Has Himself Formulated.

The Only Objects Of Practical Reason Are Therefore Those Of Good And Evil. For By The Former Is Meant An Object Necessarily Desired According To A Principle Of Reason; By The Latter One Necessarily Shunned, Also According To A Principle Of Reason.