The key to growth is not the accumulation of physical capital, but the expansion of knowledge.
增长的关键不是物质资本的积累,而是知识的扩展。
解释:高明的医生注重预防疾病,而不是等到疾病发生后再去治疗。
"In the silence between words, the truth often lies."
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
"The past is never dead. It's not even past."