What is a genius?

Genius means that someone shows outstanding intelligence and creativity. And this idea usually refers to showing unprecedented insight in one or some fields. In the scientific world, the word genius has no exact definition. Whether the word genius has any practical significance is still a controversial issue. Genius can describe a person's special talent; It can also be used by knowledgeable scholars (such as isaac newton or Leonardo da Vinci); Or a leader in a certain field (such as Albert Einstein or Stephen Hawking or Lu Youwei). At present, the scientific community is still studying what causes genius, but relevant opinions have been put forward in the field of psychology.