There are rewards in heaven for our deeds, described as precious stones.
But God wants our motive out of love for him, and not solely just for the reward right?
I believe so. The way I think of it, if I do it just for the reward then it doesn't count and its wrong to do things just for the reward.
Love (charity/caritas/agape) is the necessary act for all success in this life and the next. In all relations with God, and with each other. If charity/love is always our focus (and motive), then reward comes by grace.
Matthew 22:36 Master, which commandment in the law is the greatest?37 Jesus said to him, Thou shalt love the Lord thy God with thy whole heart and thy whole soul and thy whole mind. 38 This is the greatest of the commandments, and the first. 39 And the second, its like, is this, Thou shalt love thy neighbour as thyself. 40 On these two commandments, all the law and the prophets depend.
And What is love/caritas/agape?
1 Corinthians 13:1 I may speak with every tongue that men and angels use; yet, if I lack charity, I am no better than echoing bronze, or the clash of cymbals. 2 I may have powers of prophecy, no secret hidden from me, no knowledge too deep for me; I may have utter faith, so that I can move mountains; yet if I lack charity, I count for nothing. 3 I may give away all that I have, to feed the poor; I may give myself up to be burnt at the stake; if I lack charity, it goes for nothing. 4 Charity is patient, is kind; charity feels no envy; charity is never perverse or proud, 5 never insolent; does not claim its rights, cannot be provoked, does not brood over an injury;6 takes no pleasure in wrong-doing, but rejoices at the victory of truth; 7 sustains, believes, hopes, endures, to the last. 8 The time will come when we shall outgrow prophecy, when speaking with tongues will come to an end, when knowledge will be swept away; we shall never have finished with charity. 9 Our knowledge, our prophecy, are only glimpses of the truth;10 and these glimpses will be swept away when the time of fulfilment comes. 11 (Just so, when I was a child, I talked like a child, I had the intelligence, the thoughts of a child; since I became a man, I have outgrown childish ways.) 12 At present, we are looking at a confused reflection in a mirror; then, we shall see face to face; now, I have only glimpses of knowledge; then, I shall recognize God as he has recognized me. 13 Meanwhile, faith, hope and charity persist, all three; but the greatest of them all is charity.