No matter what he does, every person on earth plays a central role in the history of the world. And normally he doesn't know it.

人生苦短，不能不冒险。

The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.

孔子说：“颜回真贤德！一篮饭，一瓢水，在陋巷，人人都愁闷，他却乐在其中。颜回真贤德！

Love is a battlefield, but it's a battlefield worth fighting for.