In count down form (naturally)
.
10. Determine what is moral by using your own brain and this simple tenet. Does this action cause harm?
9. Do not buy into any dogmatic belief. Dogma keeps you from making morality decisions.
8. Question everything. Have a healthy respect for evidence and always keep an open mind about your beliefs in case they are wrong.
7. Seek knowledge and recognize that education is the key to understanding. Do not ignore contrary evidence, to the contrary, you should explore it.
6. Do not do to others as you would not want them to do to you.
5. Live each day with joy and wonder.
4. Exercise, and stay healthy.
3. Never be silent in the face of wrong doing. Evil requires nothing but that good men stay silent.
2. Be truthful, even if it is inconvenient and uncomfortable.
1. Do not take these commandments as authoritarian.
Source: http://atheistevolution.blogspot.com