Maturity Is Having The Courage To Use

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.

Enlightenment Is Man's Emergence From His Self-incurred Immaturity.

The Greatest Problem For The Human Species, The Solution Of Which Nature Compels Him To Seek, Is That Of Attaining A Civil Society Which Can Administer Justice Universally.

The Evil Effect Of Science Upon Men Is Principally This, That By Far The Greatest Number Of Those Who Wish To Display A Knowledge Of It Accomplish No Improvement At All Of The Understanding, But Only A Perversity Of It, Not To Mention That It Serves Most Of Them As A Tool Of Vanity.

In Man (as The Only Rational Creature On Earth) Those Natural Capacities Which Are Directed To The Use Of His Reason Are To Be Fully Developed Only In The Race, Not In The Individual.