过去是一个谜，历史学家是试图将碎片拼凑在一起的人。
"The past is a puzzle, and the historian is the person who tries to put the pieces together."
The heart is the household divinity which, discharging its function, nourishes, cherishes, and quickens the whole body.
可持续发展不仅仅是一个流行词，而是我们对后代的责任。
无论多么艰难，永远不要放弃你的梦想。
创新不仅仅是技术，更是改变思维方式。