Deism - Reason and observation of the natural world, without the need for organized religion, can determine that a supreme being created the universe. This deity does not intervene in human affairs or suspend the natural laws of the universe.
Atheism - Complex Philosophical Theories Minimalist Posters - Absence or rejection of belief in the existence of God. It is the opposite of Theism or Deism which are the beliefs in the existence of at least one deity.
Humanism: Human beings can lead happy and functional lives, and are capable of being ethical and moral, without religion or dogma. Life stance emphasises the unique responsibility facing humanity and the ethical consequences of human decisions.
The only authentic knowledge is that which is based on sense, experience and positive verification. Scientific method is the best process for uncovering the processes by which both physical and human events occur. A Visual Dictionary of Philosophy.