John 15:7 KJV

7.  If ye abide in me, and my words abide in you, ye shall ask what ye will, and it shall be done unto you.   

2 Peter 1:4 KJV

4.  Whereby are given unto us exceeding great and precious promises: that by these ye might be partakers of the divine nature, having escaped the corruption that is in the world through lust.   

James 5:16 KJV 

16.  Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.

I John 5:14-15 KJV

14.  And this is the confidence that we have in him, that, If we ask any thing according to his will, he heareth us:

 15.  And if we know that he hear us, whatsoever we ask,  we know that  we have the petitions that we desired of him.  

Jeremiah 29: 12- 13 KJV

12. Then shall ye call upon me, and ye shall go and pray unto me, and I will hearken unto you. 

13.  And ye shall seek me, and find me, when ye shall search for me with all your heart.   

Isaiah 65:24 KJV

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