'Have Faith' in the Bible

He answered them, "[It was] because you had such little faith. For truly I tell you, if you have faith as [small as] a mustard tree seed, you could say to this mountain, 'Move from here to that place over there' and it would move. And nothing will be impossible for you [to do]." {[{[Some manuscripts contain the following verse:

Jesus answered, "Truly I tell you, if you have faith, without doubting, you will not only [be able to] do what was done to this fig tree, but even if you tell this mountain, 'Be lifted up and thrown into the ocean,' it will happen.