我们正在从基于商品生产的经济转向基于知识生产的经济。
静静地听,我的心呀,听那“世界”的低语,这是他对你的爱的表示呀。
The personality of the teacher is the cornerstone of education.
The stones we pull from the earth carry 400 million years of history—we're merely temporary stewards.
"Always be transparent about the limitations of your study."