Psalm 4:3
But know that the Lord hath set apart him that is godly for himself:
the Lord will hear when I call unto him.

Psalm 55:17
Evening, and morning, and at noon, will I pray,
and cry aloud: and he shall hear my voice.

Psalm 5:1-3
To the chief Musician upon Nehiloth, A Psalm of David.
Give ear to my words, O Lord, consider my meditation.  Hearken unto the voice of my cry, my King, and my God: for unto thee will I pray.  My voice shalt thou hear in the morning, O Lord; in the morning will I direct my prayer unto thee, and will look up.

Proverbs 15:29
The Lord is far from the wicked: but he heareth the prayer of the righteous.

Proverbs 28:9
He that turneth away his ear from hearing the law,
even his prayer shall be abomination.

Isaiah 26:9
With my soul have I desired thee in the night; yea,
with my spirit within me will I seek thee early:
for when thy judgments are in the earth,
the inhabitants of the world will learn righteousness.

Isaiah 55:6
Seek ye the Lord while he may be found,
call ye upon him while he is near:

Isaiah 65:24
And it shall come to pass, that before they call, I will answer;
and while they are yet speaking, I will hear.

Romans 12:12
Rejoicing in hope; patient in tribulation; continuing instant in prayer;

Ephes. 6:18
Praying always with all prayer and supplication in the Spirit,
and watching thereunto with all perseverance and supplication for all saints;

Jude 1:20
But ye, beloved, building up yourselves on your most holy faith,
praying in the Holy Ghost,