Bible Verses About Liberality: A proof of not having faith

What doth it profit, my brethren, if a man say he hath faith, but have not works? can that faith save him?

If a brother or sister be naked and in lack of daily food,

and one of you say unto them, Go in peace, be ye warmed and filled; and yet ye give them not the things needful to the body; what doth it profit?