- natural instincts
- You can't change human nature.
- Sharks have the killer instinct.
- She was the essence of kindness.
- Dishonesty is foreign to his nature.
- By doing that he showed his true self, ie what he is really like.
- There is only a formal likeness between the two brothers, for their natures are very different.
- She's a very good woman; unkindness is foreign to her nature.
- It's only human nature to want a comfortable life.
- In her talk she went into the nature of imperialism.
- Does it ever occur to you to use your sight to see into the inner nature of a friend or acquaintance?
- Cruelty was quite alien to his nature/to him.
- Cruelty is quite alien to his nature.
- He is of a generous nature.
- Sitting still is foreign to a boy's mature.
- Basic character; mettle.