意识的元素是心理生活不可再分的事实。

采石场应当在开采的同时治愈大地。

The true measure of a company's success is not just its financial performance, but its contribution to society.

The proletariat is the universal class, the class whose radical chains are capable of bursting asunder.

The curious paradox is that when I accept myself just as I am, then I can change.

最好的数学不仅正确，而且具有启发性。