If people become accustomed to lying, they will unconsciously commit every possible wrong deed. Before they can act wickedly, they must lie and once they begin to lie they will act wickedly without concern.
Generosity brings happiness at every stage of its expression. We experience joy in forming the intention to be generous. We experience joy in the actual act of giving something. And we experience joy in remembering the fact that we have given.
Cut down the forest, not just a tree. Out of the forest of desire springs danger. By cutting down both the forest of desire and the brushwood of longing, be rid of the forest, bhikkhus.