My Mind Is My Laboratory.

I Have Just Got A New Theory Of Eternity.

I Do Know That Kind Fate Allowed Me To Find A Couple Of Nice Ideas After Many Years Of Feverish Labor.

Is It Not Better For A Man To Die For A Cause In Which He Believes, Such As Peace, Than To Suffer For A Cause In Which He Does Not Believe, Such As War?

If You've Never Failed, You've Never Tried Anything New.

Imagination Is More Powerful Than Knowledge Because Knowledhe Is Limited But Imagination Is Without Boundaries