Mistakes are for learning, correcting, growing and transforming, not for torturing oneself. It applies to cryptography and to everything in life.
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From @melh
If you long for something strongly you will be able to visualize it, t ...melh · No matter how bad the day has been, there is always something positive ...melh · "Try to be a rainbow in someone's life" Maya Angelou
Or as I say, be a ...melh · Do you know the difference between winners and losers?
Losers stay on ...