Freethinkers include atheists, agnostics and rationalists. Any person who believes in freedom of thought. No one can be a freethinker who demands conformity to a bible, creed, or messiah. To the freethinker, revelation and faith are invalid, and orthodoxy is no guarantee of truth. Freethinkers are naturalistic. Truth is the degree to which a statement corresponds with reality. Reality is limited t
o that which is directly perceivable through our natural senses or indirectly ascertained through the proper use of reason. There is no great mystery to morality. Most freethinkers employ the simple yardsticks of reason and kindness. As author Barbara Walker notes: "What is moral is simply what does not hurt others. sums up everything." Most freethinkers are humanists, basing morality on human needs, not imagined "cosmic absolutes." This also embraces a respect for our planet, including the other animals, and feminist principles of equality. Moral dilemmas involve a conflict of values, requiring a careful use of reason to weigh the outcomes. Freethinkers argue that religion promotes a dangerous and inadequate "morality" based on blind obedience, unexamined ultimatums, and "pie-in-the-sky" rewards of heaven or gruesome threats of hell. Freethinkers try to base actions on their consequences to real, living human beings.