Common Mistakes : Mankind

Mankind- Noun

BAD: These bombs could lead to the destruction of the mankind

GOOD: These bombs could lead to the destruction of mankind

mankind (= the human race) WITHOUT the :  Travelling into space was a great advance for mankind

DUBIOUS: The nature of mankind is very complicated

GOOD: Human nature is very complicated

DUBIOUS: In art we discover the beauty of mankind’s imagination

GOOD: In art we discover the beauty of the human imagination

Mankind (or the human race ) refers to all human beings considered as a group: ‘The greatest danger to mankind is not science but ignorance.’  These are the most devastating weapons mankind has ever devised.’ ‘What is mankind’s long-term role in space

When you mean ‘belonging to or typical of people (as opposed to God, animals, machines etc)’, the usual pattern is human + noun: ‘Greed and envy are common human failings

Note that phrases such as human nature, human error, human interest and human weakness are very common