The following is a quote made by one of the characters in a novel by a famous science fiction author, which is encrypted in terms of a simple substitution cipher. Decrypt this quote and identify the author.
RTZ LMNO XZ AGCNV ZG MTCDO RNXOFV, ZMN GOSJ ZJWN GU ADTVN ZMDZ CDZZNQV XV UXODS ADTVN, ZMN
WTQWGVN. LMDZ D WNQVGO MDK XO CXOK. GOAN JGT TOKNQVZDOK LMDZ WNGWSN QNDSSJ LDOZ, JGT ADO'Z
MDZN ZMNC DOJCGQN. JGT ADO UNDQ ZMNC, RTZ JGT ADO'Z MDZN ZMNC, RNADTVN JGT ADO DSLDJV UXOK
ZMN VDCN KNVXQNV XO JGTQ GLO MNDQZ.