"In your anger do not sin: Do not let the sun go down while you are still angry"
Ephesian 4:26 (NIV)
"Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice:"
Ephesians 4:31
(KJV)
"The wrath of a king is like the roaring of a lion; Whoever provokes him to anger sins against his own life."
Proverbs 20:2
(NKJV)
"The discretion of a man makes him slow to anger, And his glory is to overlook a transgression."
Proverbs 19:11
(NKJV)
"Better a patient man than a warrior, a man who controls his temper than one who takes a city."
Proverbs 16:32
(NIV)
"The LORD is merciful and gracious, slow to anger, and plenteous in mercy."
Psalm 103:8
(KJV)
"For his anger endureth but a moment; in his favour is life: weeping may endure for a night, but joy cometh in the morning"
Psalm 30:5
(KJV)
Letting go is one of the hardest lessons in life. It's easy to form an attachment to people and things. When you've formed an attachment to people and things, it can be a very painful experience and feeling when you realized that it's time to let go.
Phil 3:7
But what things were gain to me, those I counted loss for Christ.