The mustard plant.
19 Then came the disciples to Jesus apart, and said, Why could not we cast him out?
20. And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you."
Matthew 17:19-20
Contrary to popular belief the infamous passage of the mustard seed is not primarily focusing on 'quantity' of faith, ie; the size of the mustard seed, rather it is referring to the quality of faith ie; the nature of the seed. Now there are some translations that reads 'as little as a mustard seed' but King James and many other translations do not use little or...