What kind of prisons?
Serious effort should be made to rehabilitate inmates convicted for lesser crimes. Even twice, if convicted a second time. A third time only, if the court can be convinced there is still a chance of success. These would be exceptional cases. In general, free citizens only get two chances. At the third strike, you are out. This means you cannot return to society. Your freedom will in principle for ever be restricted. There is no point in rehabilitating prisoners convicted for violent crimes such as murder, or assault causing grievous bodily harm, because they should never again be released into society. The reason for taking away people’s freedom is not to cause them harm, nor to take revenge, but to protect the citizenry. Therefore, a murderer should not be given a second chance in society. He should be detained for life, unless and until at an old age he can reasonably be deemed not to form any threat to society any longer. These inmates should only be given instruction and help to co