最大的挑战不是科学,而是改变人们的观念。
The biggest challenge isn't the science - it's changing people's perceptions.
Mathematics is the queen of the sciences.
"Every book is a journey, and every journey is a book."
The price of freedom is eternal vigilance.
Solitude is to the spirit what diet is to the body.
采矿业的未来在于可持续性和技术。