This concern for us is grounded in love, and is personal and real. They are not sources of power themselves but only point back to God. Those who do not know God are trapped in a world that is full of fears and evil forces that they try to manipulate with magic and superstition. Christians can look on life and not be afraid, for Christ has destroyed the power of evil. If we trust in Him and follow His ways, nothing can really harm us.
Christians reject the very existence of the idea of luck .
This is a phrase that asks the Lord to protect you, keep you in good health, make you holy, and fill your life with good and happiness. It is the very best thing we can want for someone. Centuries ago the causes of diseases were not well known, but people knew that sneezing often came before illnesses that could be life threatening. If someone does something nice for us, we ask God to reward him or her. The English language used to be full of all sorts of prayers and blessings.