When reflecting upon it ...

When reflecting upon it today, that the Pearl Harbor attack should have succeeded in achieving surprise seems a blessing from Heaven. It was clear that a great American fleet had been concentrated in Pearl Harbor, and we supposed that the state of alert would be very high.
 Hideki Tojo

Quotes from the same author

Justice has nothing to do with victor nations and vanquished nations, but must be a moral standard that all the world's peoples can agree to. To seek this and to achieve it - that is true civilization
 Hideki Tojo
However, even during the preparations for action, we laid our plans in such a manner that should there be progress through diplomatic negotiation, we would be well prepared to cancel operations at the latest moment that communication technology would have permitted.
 Hideki Tojo