self-preservation

In a moral sense, Central Four has the right to self preservation.

The cooperative had to be prosperous to guard this little island of self preservation, which gave refuge and livelihood to many people.

Are you prattling about an instinct of self preservation?

Some thought he was snobbish, others saw his reserve as pragmatic self preservation.

In general, humanity's sense of self preservation, and intelligence are considered to offer safe-guards against extinction.

His instinct for self preservation had warned him of her move long before she had made it.

Despite this, the average Zerg has no sense of self preservation.

There is just one law for you - self preservation.

"Man is wise to fear: it sharpens the sense of self preservation."

It's an instinct, like self preservation; and about as comprehensible.