Sacrifice is a matter fo mind. If we practice to sacrifice , it mean we practice for our strength to be able to renounce and sometimes it connects to the donation because our mind are miracle,if we keep silence sometimes we seen to be calm.But too much silence make us bored and unhappy.The unhappiness is not wanted, we must be happy. In crder to be happy.We must practiceour mine.sacrifice is a way of mind practice.Casting Kindness, to be kind of the other is a way to enjoy our mind.If the minds are joyful,we will be happy.Donation will give both the minds that sacrifice and the enlightment of kindness. The happiness from kindness we cast