金钱的匮乏是万恶之源。
The art of the past is being mystified because a privileged minority is striving to invent a history which can retrospectively justify the role of the ruling classes.
成功源于合作，而非竞争。
He allowed himself to be swayed by his conviction that human beings are not born once and for all on the day their mothers give birth to them, but that life obliges them over and over again to give birth to themselves.