如今休去便休去若觅了时了无时。
释义：如果现在能放下执念、停下行动就去放下吧，老想找合适的时机，可能就永远也放不下。
The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.
心理学是关于心灵生活在其适应关系中的科学。