John 16:23-24 KJV

23 And in that day ye shall ask me nothing. Verily, verily, I say unto you, Whatsoever ye shall ask the Father in my name, he will give it you.
24 Hitherto have ye asked nothing in my name: ask, and ye shall receive, that your joy may be full.

Mark 11:23-24 KJV

23 For verily I say unto you, That whosoever shall say unto this mountain, Be thou removed, and be thou cast into the sea; and shall not doubt in his heart, but shall believe that those things which he saith shall come to pass; he shall have whatsoever he saith.
24 Therefore I say unto you, What things soever ye desire, when ye pray, believe that ye receive them, and ye shall have them.

Acts 19:11-12 KJV

11 And God wrought special miracles by the hands of Paul:
12 So that from his body were brought unto the sick handkerchiefs or aprons, and the diseases departed from them, and the evil spirits went out of them.