Pages intended to be reused as portions of other pages are called templates. The names of template pages start with the prefix Template:. A template can be included on another page using the syntax {{Page name}} (including the curly brackets), but leave out the Template: prefix between the curly brackets!
If you wish to make a personal boilerplate (such as a personalized welcome message, or the like), you make it in your own userspace. Simply create the page as a subpage of your userspace (in the format User:Foo/something). To put it onto a page, use the curly brackets as usual, but remember to use the syntax {{User:Foo/something}} rather than {{something}}. This is because the curly-bracket syntax automatically looks in the Template namespace, so if you want to use one from your own userspace, you need to tell it to look there.
This user generally supports the death penalty, but feels it should only be used against those convicted of the most serious crimes (murder, rape, etc.).
This user advocates the use of the death penalty for certain criminal offences.
This user believes that the death penalty should be imposed and used more frequently !
This user is against the ban on smoking in public places.
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This user is against the War on Drugs and agreed with 2Pac when he said "Instead of a war on poverty, they've got a war on drugs so the police can bother me."
This user is pro-cannabis.
This user supports the full legalisation of cannabis and other soft drugs.