Full explaination and how you get the answer

Answer the below questions in detail. State what equations you are using and show your work in detail how you got the answer.

This exercise ask you to decrypt a piece of ciphertext. Each of these is an English prose quotation. More important than the precise quotation is the process you use to analyze the encryption. Justify your answer by describing the various tests you performed and the results you obtained for those tests.

1. Decrypt the following encrypted quotation

fqjcb rwjwj vnjax bnkhj whxcq nawjv

nfxdu mbvnu ujbbf nnc

2. Decrypt the following encrypted quotation

oczmz vmzor jocdi bnojv dhvod igdaz

admno ojbzo rcvot jprvi oviyv aozmo

cvooj ziejt dojig toczr dnzno jahvi

fdiyv xcdzq zoczn zxjiy