Don't be afraid to take risks. The biggest risk is not taking any risk at all.
Technology has no boundaries, but its application must have direction.
如果你一直在学习,你就会拥有巨大的优势。
科学方法是统一且不可分割的,科学方法既适用于物理问题,也适用于社会问题。
The historian’s first duty is to the truth.