Who is the Almighty, that we should serve him? and what doth it profit us if we pray to him?

What is

Exodus 5:2 But he answered: Who is the Lord, that I should hear his voice, and let Israel go? I know not the Lord, neither will I let Israel go.

Psalm 12:4 Who have said: We will magnify our tongue: our lips are our own: who is Lord over us?

Proverbs 30:9 Lest perhaps being filled, I should be tempted to deny, and say: Who is the Lord? or being compelled by poverty, I should steal, and forswear the name of my God.

Hosea 13:6 According to their pastures they were filled, and were made full: and they lifted up their heart, and have forgotten me.

and what

Job 34:9 For he hath said: Man shall not please God, although he run with him.

Job 35:3 For thou saidst: That which is right doth not please thee: or what will it profit thee if I sin?

Isaiah 30:11 Take away from me the way, turn away the path from me, let the Holy One of Israel cease from before us.

Malachi 1:13,14 And you have said: Behold of our labour, and you puffed it away, saith the Lord of hosts, and you brought in of rapine the lame, and the sick, and brought in an offering: shall I accept it at your hands, saith the Lord? . . .

if we

Isaiah 45:19 I have not spoken in secret, in a dark place of the earth: I have not said to the seed of Jacob: Seek me in vain. I am the Lord that speak justice, that declare right things.

Matthew 7:7 Ask, and it shall be given you: seek, and you shall find: knock, and it shall be opened to you.

John 16:24 Hitherto, you have not asked any thing in my name. Ask, and you shall receive; that your joy may be full.