It is as much his own voluntary act as if he had executed a deed of emancipation....
There is with me nothing in the law relating to slavery which distinguishes it from the law on any other subject, or allows any more accommodation to the temporary public excitements which are gathered around it....

In this State it has been recognized from the beginning of the government, as a correct position in law, that a master who takes his slave to reside in a State or Territory where slavery is prohibited thereby emancipates his slave.

[Citing cases.] ...

But the Supreme Court of Missouri, so far from standing alone on this question, is supported by the decisions of other slave-States, including those in which it may be supposed there was the least disposition to favor emancipation.

[Citing cases.] ...