最紧密束缚我们的锁链是我们已经打破的那些。
"Books are the maps that guide us through life."
The ladder of success is best climbed by stepping on the rungs of opportunity.
Collaboration across sectors is the only way to solve forestry's greatest challenges.
幸福的关键是有梦想。成功的关键是实现你的梦想。
数学家的工作永远不会完成;总有新的问题需要探索,新的谜团需要揭开。
The art of any culture is the exponent of its social relationships.