Mark 11:24
"Therefore I say unto you, What things soever ye desire, when ye pray, believe that ye receive them, and ye shall have them."
Cross References (ranked by relevance)
Matthew 21:22
195
And all things, whatsoever ye shall ask in prayer, believing, ye shall receive.
Matthew 18:19
118
Again I say unto you, That if two of you shall agree on earth as touching any thing that they shall ask, it shall be done for them of my Father which is in heaven.
John 15:7
117
If ye abide in me, and my words abide in you, ye shall ask what ye will, and it shall be done unto you.
John 14:13
111
And whatsoever ye shall ask in my name, that will I do, that the Father may be glorified in the Son.