Science Demands Patience.

Some Dangers Are So Spectacular And So Much Beyond Normal Experience That The Mind Refuses To Accept Them As Real, And Watches The Approach Of Doom Without Any Sense Of Apprehension. The Man Who Looks At The Onrushing Tidal Wave, The Descending Avalanche, Or The Spinning Funnel Of The Tornado, Yet Makes No Attempt To Flee, Is Not Necessarily Paralyzed With Fright Or Resigned To An Unavoidable Fate. He May Simply Be Unable To Believe That The Message Of His Eyes Concerns Him Personally. It Is All Happening To Somebody Else.

In My Life I Have Found Two Things Of Priceless Worth - Learning And Loving. Nothing Else - Not Fame, Not Power, Not Achievement For Its Own Sake - Can Possible Have The Same Lasting Value. For When Your Life Is Over, If You Can Say 'i Have Learned' And 'i Have Loved,' You Will Also Be Able To Say 'i Have Been Happy.

If There Are Any Gods Whose Chief Concern Is Man, They Can't Be Very Important Gods.

Training Was One Thing, Reality Another.

If An Elderly But Distinguished Scientist Says That Something Is Possible, He Is Almost Certainly Right; But If He Says That It Is Impossible, He Is Very Probably Wrong.