4.权利自由原则

　　动物：

　　It is a breach of their natural rights to take them by force into captivity for our own purposes.Animals have the right to be treated as beings of value in themselves, not as the means to human ends.

　　死刑：

　　The right to life is inviolable and protected by law.One human right is the right to life and taking a life away by execution is cruel, inhumane and degrading.

　　极限运动：

　　People should be free to participate in activities with others as long as it does not affect the safety of non-participants.

　　摄像机：
　　They feel that being watched constantly is like being in a jail, and that ordinary people are losing their freedom because of these devices.

　　强迫老年人退休：
　　Compulsorily retiring old employees can affect the older individual’s freedom - and right - to work and can deprive society of valuable experience and insights.

　　禁酒：
　　Banning alcohol infringes people’s civil liberties to an unacceptable degree.