In science, the most dangerous phrase is 'We've always done it this way.'
The most interesting art is the art that makes you think.
We are all searching for something, even if we don't know what it is.
Technology is anything that wasn't around when you were born.
The best way to lead is by example.
历史研究不仅关乎过去，也关乎理解现在和预见未来。