Obey and Serve HIM there will be joy and peace.

Job 36:11King James Version (KJV)

11 If they obey and serve him, they shall spend their days in prosperity, and their years in pleasures.

the amplified bible says like this

11 If they obey and serve Him, they shall spend their days in prosperity and their years in pleasantness and joy. Amplified Bible, Classic Edition (AMPC)