The joy of a small town lies in its unchanging nature.

As a result, there is no such thing as an unchanging "human nature", but only an idea of such which varies historically.

It would have been encouraging if, for instance, even the unchanging nature of pi had been affirmed, but no such luck.

Historians have debated whether Hume posited a universal unchanging human nature, or allowed for evolution and development.

In spite of their unchanging nature, they've survived when other species have not.

Until one started to place them side by side and saw the unchanging nature of them.

The unchanging nature of the sentient evermind created its greatest vulnerability.

As a result, there is no such thing as an unchanging "human nature".

And the same speech is repeated verbatim by two characters, to demonstrate the cyclical but unchanging nature of love.

When the body dies, this self will not die because the self is by nature unchanging.