According to cognitive linguist George Lakoff, liberal philosophy is based on five basic categories of morality. The first, the promotion of fairness, is generally described as an emphasis on empathy as a desirable trait. With this social contract based on the Golden Rule comes the rationale for many liberal positions. The second category is assistance to those who cannot assist themselves. A nurturing spirit is one that is considered good in liberal philosophy. This leads to the third category, the desire to protect those who cannot defend themselves. The fourth category is the importance of fulfilling one's life; allowing a person to experience all that they can. The fifth and final category is the importance of caring for oneself, since only thus can one act to help others.
- “Modern Liberalism in the United States” from Wikipedia at: http://en.wikipedia.org/wiki/Modern_liberalism_in_the_United_States