God promises to answer prayer

What man says about answered prayer:
PSA 86:7    In the day of my trouble I will call to you, for you will answer me.
PSA 102:2  In the day when I call answer me speedily. 
PSA 118:5  I called on the Lord in distress and the Lord answered me.

God promises to answer your prayers:
PSA 91:15  Call on Me and I will answer.
ISA 65:24    Before they call, I will answer; and while they are still speaking, I will hear.
MAT 21:22  All things whatever you ask for in prayer, believing, you will receive.
MAR 11:24  What things you desire, when you pray, believe that you receive them, and you will have them.