Joy
Nehemiah 8:10 (KJV)
Then he said unto them, Go your way, eat the fat, and drink the sweet, and send portions unto them for whom nothing is prepared: for this day is holy unto our Lord: neither be ye sorry; for the joy of the Lord is your strength.
Psalm 51:12 (KJV)
Restore unto me the joy of thy salvation; and uphold me with thy free spirit.
Psalm 30:11 (KJV)
11 Thou hast turned for me my mourning into dancing: thou hast put off my sackcloth, and girded me with gladness;
Isaiah 61:3 (KJV)
To appoint unto them that mourn in Zion, to give unto them beauty for ashes, the oil of joy for mourning, the garment of praise for the spirit of heaviness; that they might be called trees of righteousness, the planting of the Lord, that he might be glorified.
The Lord Yeshua says that His Kingdom is to be received with joy
Matthew 13:44 KJV)
44 Again, the kingdom of heaven is like unto treasure hid in a field; the which when a man hath found, he hideth, and for joy thereof goeth and selleth all that he hath, and buyeth that field.
Persevere and receive the gift of joy
Philippians 4:4 (KJV)
Rejoice in the Lord always: and again I say, Rejoice.
Philippians 4:6-8 (KJV)
6 Be careful for nothing; but in every thing by prayer and supplication with thanksgiving let your requests be made known unto God.
7 And the peace of God, which passeth all understanding, shall keep your hearts and minds through Christ Jesus.
8 Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good report; if there be any virtue, and if there be any praise, think on these things.
1 Thessalonians 5:16-18 KJV)
16 Rejoice evermore.
17 Pray without ceasing.
18 In every thing give thanks: for this is the will of God in Christ Jesus concerning you.
Jude 24 (KJV)
24 Now unto him that is able to keep you from falling, and to present you faultless before the presence of his glory with exceeding joy,
The opposite of joy is sorrow.
Earthly sorrow brings death because we are not willing to change our ways we just feel sorry for what we have done and that is all. But godly sorrow brings repentance to righteousness, God leads us, and we follow Him to salvation.
Ecclesiastes 3:4 (KJV)
4 A time to weep, and a time to laugh; a time to mourn, and a time to dance;
2 Corinthians 7:10 (KJV)
10 For godly sorrow worketh repentance to salvation not to be repented of: but the sorrow of the world worketh death.