因果推断不仅仅是统计显著性；它关乎理解数字背后的机制。

化学的艺术在于能够分离、识别并确定构成物质的成分及其数量。

技术推动天文学的进步，更好的仪器带来更深刻的见解。

Perhaps one day you muster the courage, to make a clean breast of everything in the heart only ended up to let others see the joke, because they did not understand you to say what, also don't know why do you think things are so important, say, almost cried out. I think the worst thing in the world, than with full of heart and secret, but no one can tell, but no one can understand!