If I Have Questions About

Life On Earth Is At The Ever-increasing Risk Of Being Wiped Out By A Disaster, Such As Sudden Global Warming, Nuclear War, A Genetically Engineered Virus Or Other Dangers. I Think The Human Race Has No Future If It Doesn't Go Into Space. I Therefore Want To Encourage Public Interest In Space.

We Are Very, Very Small, But We Are Profoundly Capable Of Very, Very Big Things.

My Goal Is Simple. It Is A Complete Understanding Of The Universe, Why It Is As It Is And Why It Exists At All.

It Is No Good Getting Furious If You Get Stuck. What I Do Is Keep Thinking About The Problem But Work On Something Else. Sometimes It Is Years Before I See The Way Forward. In The Case Of Information Loss And Black Holes, It Was 29 Years.

You May See A Cup Of Tea Fall Off A Table And Break Into Pieces On The Floor... But You Will Never See The Cup Gather Itself Back Together And Jump Back On The Table. The Increase Of Disorder, Or Entropy, Is What Distinguishes The Past From The Future, Giving A Direction To Time.