'Smallest' in the Bible

I tell you the truth, until heaven and earth pass away not the smallest letter or stroke of a letter will pass from the law until everything takes place.

It is the smallest of all the seeds, but when it has grown it is the greatest garden plant and becomes a tree, so that the wild birds come and nest in its branches."

It is like a mustard seed that when sown in the ground, even though it is the smallest of all the seeds in the ground --