The fundamental defect of fathers is that they want their children to be a credit to them.
To be a sailor of the world bound for all ports.
The teacher should not teach as if he were pouring knowledge into an empty vessel, but rather as if he were lighting a fire.
The discovery of neutrino oscillations was a turning point in our understanding of particle physics.
当保持现状的痛苦大于改变的痛苦时,改变就会发生。