Related:

• Even God cannot change the past. -- Agathon (447-401 B.C.E.)
• Even God cannot change the past. -- Joseph Stali
• Even the gods cannot change history. -- Agathon (448-400 B.
  C.) -- Quoted in Aristotle, Nicomachean Ethics, Bk, VI, Ch. 2, 1139 b 10...
• God cannot alter the past but historians can." -- Samuel Butler (1835-1902)
• God grant me the senility to accept the things I cannot change, The frustration to try to change things I cannot affect, and the wisdom to tell the difference.
• But, my dearest Agathon, it is truth which you cannot contradic
  you can without any difficulty contradict Socrates. -- Plato -- Symposium...
• Progress, far from consisting in change, depends on retentiveness.
  .. Those who cannot remember the past are condemned to repeat it....
• God grant us the serenity to accept the things we cannot change, courage to change the things we can, and wisdom to know the difference.
• God grant me the serenity to accept the things I cannot change, the courage to change the things I can, and the weaponry to make the difference.