Mark 11:23
▸ Hear this chapter, lit word by wordFor 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.
— Mark 11:23, King James Version
In other translations
For most assuredly I tell you, whoever may tell this mountain, 'Be taken up and cast into the sea,' and doesn't doubt in his heart, but believes that what he says happens; he shall have whatever he says.
Verily I say unto you, Whosoever shall say unto this mountain, Be thou taken up and cast into the sea; and shall not doubt in his heart, but shall believe that what he saith cometh to pass; he shall have it.
for verily I say to you, that whoever may say to this mount, Be taken up, and be cast into the sea, and may not doubt in his heart, but may believe that the things that he saith do come to pass, it shall be to him whatever he may say.