Her deepest instinct told her that he was up to no good.

It speaks to their deepest instincts of what is feminine".

Because, he realized, his deepest instincts told him something was wrong.

Coming to terms with this can go against one's deepest instincts and traditions.

That's his deepest instinct, and some version of it will resurface before long.

One's deepest instinct, as a parent, is to protect your child from every hurt.

His own deepest instincts will not let him go anywhere else.

Driven by that deepest religious instinct, the people came, seeking their resurrection.

Why, then, had my deepest instincts led me to this strange bed?

But how could he help himself, when self-abasement was his deepest instinct at such moments?