Eddington then gives three points to note about this arrow:

1. It is vividly recognized by consciousness.

2. It is equally insisted on by our reasoning faculty, which tells us that a reversal of the arrow would render the external world nonsensical.

3. It makes no appearance in physical science except in the study of organization of a number of individuals.
   
— Wikipedia on Arrow of time

2011.07.17 Sunday ACHK