It is health that is real wealth, not gold or silver.
健康才是真正的财富,而不是金银。
"We are all prisoners of our own memories, and the key to freedom lies in understanding them."
成功不是终点,失败也非致命,重要的是继续前进的勇气。
Progress requires both courage and humility.
I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.