He always believed that he had a diamond in his mind waiting to be discovered.
Он всегда верил, что в его голове есть бриллиант, который ждет своего открытия.
Definitions
A 'diamond in (someone's) mind' refers to an idea, vision, or aspiration that is highly valued, cherished, or considered precious by someone, even if it is not yet realized or visible to others. It suggests something of great worth or potential that exists in a person's thoughts or imagination.
