To be free is not to have the power to do anything you want, but to have the power to do what is right.
Be nice to your children because they are going to choose your nursing home.
True leadership is about serving others, not commanding them.
石材的真正价值在于我们如何改造它以供人类使用。
乌鸦般的交情,虽然看上去挺好,但实则不亲密;绳子结在一起,虽然看上去牢固,但能轻易解开。