Never Underestimate Your Own Ignorance.

I Cannot Accept Any Concept Of God Based On The Fear Of Life Or The Fear Of Death, Or Blind Faith. I Cannot Prove To You That There Is No Personal God, But If I Were To Speak Of Him I Would Be A Liar.

The Environment Is Everything That Isn't Me.

However We Select From Nature A Complex [of Phenomena] Using The Criterion Of Simplicity, In No Case Will Its Theoretical Treatment Turn Out To Be Forever Appropriate (sufficient).... I Do Not Doubt That The Day Will Come When [general Relativity], Too, Will Have To Yield To Another One, For Reasons Which At Present We Do Not Yet Surmise. I Believe That This Process Of Deepening Theory Has No Limits.

The More I Learn, The More I Realize I Don't Know.

The Life Of The Individual Has Meaning Only Insofar As It Aids In Making The Life Of Every Living Thing Nobler And More Beautiful. Life Is Sacred, That Is To Say, It Is The Supreme Value, To Which All Other Values Are Subordinate.