First resolve this question in your life, "Is there a Creator, or are we simply the result of chance?" All other questions fade in comparison.
At the heart of the collectivist's philosophy is the denial of God and they have replaced Him with their religious belief in chance and evolution.
The weight of evidence supports creation and intelligent design, yet the collectivists continue to force schools to teach the flawed and failed theory of evolution.
This link provides an excellent resource to learn the facts about the debate:
When we have certainty in this question, we have a foundation to build our lives upon.
To recognize that there is a Greater Power, an Intelligence, leads us to the place of humility where we can ask Him for guidance and direction in our lives.
For me, the most important commands which our Heavenly Father has given direct us to love, and Jesus taught us that the two great commands were to love God and to love our fellow man. There is another complimentary command which Jesus gave us, and that is that we should love as He loved us, that is to say at the cost of our lives: John 15:13 Greater love hath no man than this, that he lay down his life for his friends.