知古不知今,谓之陆沉,然则儒生,所谓陆沉者也。
解释:了解古代不了解现在,称为愚昧无知,那么儒生就只能称作愚昧无知的人了。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
最重要的是对自己诚实,对所做之事诚实。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.