Mastering the Art of Breaking Simple Substitution Ciphers 🔓

This video is about how to break a simple substitution cipher.
The ciphertext used as an example in this video:
G KWTB UNNH NUEWSO BNZB TE BOPB BON VNBBNMT PMN HGTBMGAWBNH GU P IPUUNM BJFGYPV ED BON NUSVGTO VPUSWPSN TE BOPB GB YPU AN AMEQNU WTGUS TBPBGTBGYPV INBOEHT.
UNNHVNTT BE TPJ, FPMPSMPFOT BOPB PREGH P FPMBGYWVPM VNBBNM XGVV AN IEMN YEIFVGYPBNH.
BON VEUSNM JEWM BNZB, BON IEMN EARGEWT BONTN FPBBNMUT XGVV ANYEIN. DEM NZPIFVN, GD JEW XNMN BE PUPVJTN PU NUBGMN AEEQ, JEW XGVV TNN P RNMJ BJFGYPV HGTBMGAWBGEU.

Video on simple substitution cipher:
https://youtu.be/uAEZEP_B6Pk

Video on Caesar cipher:
https://youtu.be/f2CgruPvb9k

Link to the letter frequency article on Wikipedia: https://en.wikipedia.org/wiki/Letter_frequency

A ciphertext you can try for yourself:
IA ZJX'VT GVZIYS GJ FWWNZ GDIL UTGDJM GJ F NFYSXFST GDFG
XLTL FY IOJYJSVFWDZ NICT ODIYTLT JV FYM FRXSIMF NICT UJLG
LJXGD FLIFY NFYSXFSTL, ZJX'VT JXG JA NXOC. IG IL YTFVNZ
IUWJLLIRNT GJ OVTFGT F LIUWNT LXRLGIGXGIJY OIWDTV AJV
GDTLT NFYSXFSTL. TBTY IA ZJX OJXNM, GDTVT KJXNM RT LJ UFYZ
LZURJNL WVTLTYG GDFG F BTVZ NJYS GTPG KJXNM RT YTTMTM IY
JVMTV GJ LTT FYZ LGFGILGIOFNNZ LISYIAIOFYG BFVIFGIJY
IY NTGGTV AVTHXTYOZ.