The progress of science is not a straight line, but a series of zigzags, sometimes seeming to go backward before a new advance is made.
科学的进步不是一条直线,而是一系列曲折,有时在新的进展之前似乎会倒退。
The only thing worse than starting something and failing is not starting something.
写作行为是对那些试图抹去我们的力量的一种抵抗。
最优货币区是指能够以最小的实际经济干扰来稳定就业和价格的区域。
Materials themselves are not important; what matters is how you use them.
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.