'Least' in the Bible

and said to them, Whosoever shall receive this little child in my name receives me, and whosoever shall receive me receives him that sent me. For he who is the least among you all, he is great.

If therefore ye cannot do even what is least, why are ye careful about the rest?

He that is faithful in the least is faithful also in much; and he that is unrighteous in the least is unrighteous also in much.

And he said to him, Well done, thou good bondman; because thou hast been faithful in that which is least, be thou in authority over ten cities.

saying, If thou hadst known, even thou, even at least in this thy day, the things that are for thy peace: but now they are hid from thine eyes;