All Christ wants from any of us is what we have ability to do. He asks no impossibilities. He accepts our homeliest, poorest gifts or services if they are indeed our best and if true love to him consecrates and sanctifies them. We need to care but for two things--that we do always our best, and that we do what we do through love for Christ. If we are faithful up to the measure of our ability and opportunity, and if love sanctifies what we do, we are sure of our Lord's approval. But we should never offer less than the best that we can do; to do so is to be disloyal to our Lord and disloyal to our own soul.
Mark 14:3-9: And being in Bethany in the house of Simon the leper, as he sat at meat, there came a woman having an alabaster box of ointment of spikenard very precious; and she brake the box, and poured it on his head. And there were some that had indignation within themselves, and said, Why was this waste of the ointment made? For it might have been sold for more than three hundred pence, and have been given to the poor. And they murmured against her. And Jesus said, Let her alone; why trouble ye her? she hath wrought a good work on me. For ye have the poor with you always, and whensoever ye will ye may do them good: but me ye have not always. She hath done what she could: she is come aforehand to anoint my body to the burying. Verily I say unto you, Wheresoever this gospel shall be preached throughout the whole world, this also that she hath done shall be spoken of for a memorial of her. (KJV)