阳中的阴精本质不刚强，单独修炼一种物质会转为虚弱。

The true adventurer goes forth aimless and uncalculating to meet and greet unknown fate.

可持续性不是一种选择；而是我们对后代的责任。

The landscape of string theory is vast and complex, with perhaps 10^500 different possible universes.

做一个犹太人就是做一个见证者。