Why.

Luke 18:12
I fast twice a week and pay tithes of all that I receive.'

Isaiah 58:3-6
"Why have we fasted, and You have not seen? Why have we humbled ourselves, and You have not noticed?" "Behold, on the day of your fast, you do as you please, and you oppress all your workers. . . .

Zechariah 7:6
And when you were eating and drinking, were you not doing so simply for yourselves?

Matthew 9:14-17
At that time, John's disciples came to Jesus and asked, "Why is it that we and the Pharisees fast so often, but Your disciples do not fast?" . . .

Mark 2:18-22
Now John's disciples and the Pharisees were often fasting. So people came to Jesus and asked, "Why don't Your disciples fast like John's disciples and those of the Pharisees?" . . .

and make.

Luke 11:1
One day in a place where Jesus had just finished praying, one of His disciples requested, "Lord, teach us to pray, just as John taught his disciples."

Luke 20:47
They defraud widows of their houses, and for a show make lengthy prayers. These men will receive greater condemnation."

Proverbs 28:9
Whoever turns his ear away from hearing the law, even his prayer is detestable.

Isaiah 1:15
When you spread out your hands in prayer, I will hide My eyes from you; even though you multiply your prayers, I will not listen. Your hands are covered with blood.

Matthew 6:5, 6
And when you pray, do not be like the hypocrites. For they love to pray standing in the synagogues and on the street corners to be seen by men. Truly I tell you, they already have their reward. . . .

Matthew 23:14
Woe unto you, scribes and Pharisees, hypocrites! for ye devour widows' houses, and for a pretence make long prayer: therefore ye shall receive the greater damnation.

Mark 12:40
They defraud widows of their houses, and for a show make lengthy prayers. These men will receive greater condemnation."

Acts 9:11
"Get up!" the Lord told him. "Go to the house of Judas on Straight Street and ask for a man from Tarsus named Saul, for he is praying.

Romans 10:2, 3
For I testify about them that they are zealous for God, but not on the basis of knowledge. . . .

but.

Luke 7:34, 35
The Son of Man came eating and drinking, and you say, 'Look at this glutton and drunkard, a friend of tax collectors and of sinners!' . . .