Concept:
Nemo Dat Quod Non Habet is a Latin legal maxim meaning "No one can give what he does not have." It is a fundamental principle of the law relating to the transfer of property and sale of goods.
Step 1: Understand the legal maxim.
If a person does not possess legal ownership or title to goods, they cannot transfer a better title to another person.
Step 2: Analyse the options.
• No one can be a judge in his own case -- Refers to Nemo Judex in Causa Sua.
• No one can give what they do not have -- Correct.
• No one shall take what belongs to others -- Incorrect.
• No one shall have the habit of taking -- Incorrect.
Step 3: Final conclusion.
Hence, the correct meaning of Nemo Dat Quod Non Habet is
\[
\boxed{\text{No one can give what they do not have}.}
\]