The harder the battle, the sweeter the victory.

角色胡八一的自嘲式台词，体现其坚韧性格。

Don’t worry about others not understanding you. Worry about you not understanding others.

The causal approach is about understanding the mechanisms that generate the data.

The power of science lies in its universality and objectivity, it transcends culture and national boundaries.

The poet is someone who pays attention to the world.

出自先秦《荀子·大略》。说得到，也能做得到，这种人就是国家之宝。说明言行一致、身体力行的人才是治国安邦的有益人才。