Gene was a practicing Catholic with a sense of humor. He attended church in Yonkers most every Sunday. True to the legend, he resisted the entreaties of his mother to take orders .
As this is not in a religious or spiritual category i assume that you do not mean the theories of whether a person of faith dies a better death than that of a person who has no faith. Or whether the Holocaust was the will of God.
In my spiritual faith I have learnt not to blame the divine for the suffering that may occur on earth and to help others and be greatful for what I have. This has definitely helped shape who I am as a person. If it hasn't helped me in the past (I have only became spiritual these last three years) then it certainly will in the future.
The Jewish faith focuses on God for spiritual guidance and the Torah that He provided for the Jewish people.
In a religious/spiritual context, "show good faith" can best be explained in terms of being true to one's faith in a daily way. By "showing good faith", one is standing upon one's faith, "fighting the good fight", and otherwise living as a person of faith through the ups and downs of daily living.
There are many ways through which you can constantly deepen nourish your faith. This can be achieved by hanging around people of the same faith. Audios, videos and books are also a great way to deepen and nourish your faith.
Catholicism
The Sponsor is a second adult who practices their faith, who can guide you in your spiritual journey. The Sponsor witnesses your vows, and will assist you if you choose to ask them questions or seek guidance. This person is like an adult spiritual mentor for you.
Faith's importance is imperative! Without faith you cannot believe in god. A person must believe that God gave the Bible as His divine Word, else it becomes just another spiritual book. This belief obviously affects the human experience in many ways. Our theological ideas guide us in life. A person's theology dictates what they say and do in life. Even an atheist as there theology is that there is none, and so they make their spiritual decisions based on this world view.
The symbol of faith can change from religion to religion as well as person to person. In Christianity, a symbol of faith is the crucifix.
One person in the Bible of faith is Matthew.
Spiritual means having a deep connection with the King of the Universe. Spirituality and religion are not the same. One may be religious but not spiritual.
Heaven and Hell are NOT Physical terms, but, Spiritual termsin association with the true FAITH in "God", through "Spiritual Knowledge".