这句话借用俗语,表达了命运无常、机遇变化的道理。
我认为只有大胆的臆测,而不是事实的积累,才能引领我们往前迈进。
The most sustainable product is one that lasts.
The scientific study of behavior must be based on objective, measurable data.
A good mathematician should be both rigorous and imaginative.