* "Unalienable rights are fundamental, inherent rights that cannot be taken away or surrendered by any government or individual." This sentence emphasizes the inherent nature of these rights and their protection from infringement.
* "Unalienable rights are those essential freedoms and protections that are considered to be an intrinsic part of human existence and cannot be legitimately denied." This emphasizes the connection to human existence and the legitimacy of these rights.
* "Unalienable rights are those rights that are deemed to be so essential to human flourishing and dignity that they cannot be taken away, regardless of societal norms, laws, or political structures." This highlights the importance of these rights for individual well-being and societal progress.
The best sentence for you will depend on the context of your writing.