You can use curly braces like an expression with both double quotes and single quotes for space i.e.,
{" "} or {' '}
You can also use ES6 template literals i.e.,
` <li></li>` or ` ${value}`
You can also use   like below
<span>sample text <span>
You can also use   in dangerouslySetInnerHTML when printing html content
<div dangerouslySetInnerHTML={{__html: 'sample html text: '}} />