Cipherday #52 · August 14, 2026

The answer to Cipherday #52

The full three-cipher chain from August 14, 2026, the public-domain quote it hid, and how each cipher worked. Today’s chain stays sealed until it becomes a past day.

The revealed quote

“Great oaks from little acorns grow.”— traditional proverb

The largest things often begin from something easy to overlook.

The cipher chain

1. Stage 1 · Caesar · Shift of 4

   Ciphertext

   Hsyfx mw xli svmkmr sj amwhsq.

   Decodes to

   Doubt is the origin of wisdom.

   Every letter was slid 4 places down the alphabet; sliding it back the same amount restores the line.

2. Stage 2 · Substitution · Keyword “PUZZLE”

   Ciphertext

   Mepze zkieq aoki vdrcdj; lk jkr qeeg dr vdrcksr.

   Decodes to

   Peace comes from within; do not seek it without.

   A keyword scrambled the alphabet into a fixed cipher alphabet, so each letter always stands for the same partner — letter frequency gives it away.

3. Stage 3 · Vigenère · Keyword “CANDLE”

   Ciphertext

   Irrde sckf icso lvwepg aprcru gerh.

   Decodes to

   Great oaks from little acorns grow.

   A repeating keyword shifted each letter by a different amount, which is what lets one letter encrypt two ways; the right keyword resolves it.