YOU SAID:
The only things certain in life are death and taxes.
INTO JAPANESE
人生で確かなのは死と税金だけです。
BACK INTO ENGLISH
Only death and taxes are certain in life.
INTO JAPANESE
人生において確実なのは死と税金だけです。
BACK INTO ENGLISH
Only death and taxes are certain in life.
That didn't even make that much sense in English.