解析：菩提比喻智慧，明镜比喻清净心。本来清净，又哪里会染上什么尘埃？

Prolonged contact with the computer turns mathematicians into clerks and vice versa.

心是身体的主宰，是众神的统帅。

The psychologist must study the mind without presuppositions.

Consumer expectations are shifting—businesses must adapt or risk irrelevance.

写作是一种勇气的行为，面对我们内心和周围的真相。

I'm the reason your president can't lead.