Space And Time Are The

Act In Such A Way That You Treat Humanity, Whether In Your Own Person Or In The Person Of Any Other, Never Merely As A Means To An End, But Always At The Same Time As An End.

Enlightenment Is Man's Leaving His Self-caused Immaturity. Immaturity Is The Incapacity To Use One's Intelligence Without The Guidance Of Another. Such Immaturity Is Self-caused If It Is Not Caused By Lack Of Intelligence, But By Lack Of Determination And Courage To Use One's Intelligence Without Being Guided By Another. Sapere Aude! Have The Courage To Use Your Own Intelligence! Is Therefore The Motto Of The Enlightenment.

Physicians Think They Are Doing Something For You By Labeling What You Have As A Disease

The Question Is Not So Much Whether There Is Life On Mars As Whether It Will Continue To Be Possible To Live On Earth

All Our Knowledge Begins With The Senses...