我并非一无所有，我拥有自由。

Science is not just about facts; it’s about the stories behind them.

梦想与现实之间的区别在于行动。

"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."

Collaboration across industries is the key to solving complex environmental challenges.

估计问题的性质与检验统计假设的问题不同。