Various approaches are adaptable to achieve worthy goals, people should weight the pro and cons and minimize potential harm to other people, other nations as well as other species.

• 达到一个有价值的目标常常有很多途径，我们不能不择手段，应该尽量较少达到目标会造成的损失，对他人，对别的民族，也包括对别的物种。