John 15:4, “Abide in Me, and I in you.   As the branch cannot bear fruit of itself unless it abides in the vine, so neither can you unless you abide in Me.” (NASB)

Mark 1:35, “And in the early morning, while it was still dark, He arose and went out and departed to a lonely place, and was praying there. (NASB) 

Additional Resources:

A Busy Woman’s Guide to Prayer, by Cheri Fuller

http://proverbs31.gospelcom.net/newresources_busyWomansGuide.htm

Breathe, by Keri Wyatt Kent

http://proverbs31.gospelcom.net/newresources_breathe.htm

Running on Empty, by Arron Chambers

http://proverbs31.gospelcom.net/newresources_runningEmpty.htm